20818379520

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{106303}}^1$

素因数の和:106347

約数の個数: 216

約数和(自身を含む): 76267166976

約数和(自身を除く): 55448787456

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 68, 72, 80, 85, 90, 96, 102, 120, 128, 136, 144, 153, 160, 170, 180, 192, 204, 240, 255, 256, 272, 288, 306, 320, 340, 360, 384, 408, 480, 510, 544, 576, 612, 640, 680, 720, 765, 768, 816, 960, 1020, 1088, 1152, 1224, 1280, 1360, 1440, 1530, 1632, 1920, 2040, 2176, 2304, 2448, 2720, 2880, 3060, 3264, 3840, 4080, 4352, 4896, 5440, 5760, 6120, 6528, 8160, 9792, 10880, 11520, 12240, 13056, 16320, 19584, 21760, 24480, 32640, 39168, 48960, 65280, 97920, 106303, 195840, 212606, 318909, 425212, 531515, 637818, 850424, 956727, 1063030, 1275636, 1594545, 1700848, 1807151, 1913454, 2126060, 2551272, 3189090, 3401696, 3614302, 3826908, 4252120, 4783635, 5102544, 5421453, 6378180, 6803392, 7228604, 7653816, 8504240, 9035755, 9567270, 10205088, 10842906, 12756360, 13606784, 14457208, 15307632, 16264359, 17008480, 18071510, 19134540, 20410176, 21685812, 25512720, 27107265, 27213568, 28914416, 30615264, 32528718, 34016960, 36143020, 38269080, 40820352, 43371624, 51025440, 54214530, 57828832, 61230528, 65057436, 68033920, 72286040, 76538160, 81321795, 81640704, 86743248, 102050880, 108429060, 115657664, 122461056, 130114872, 136067840, 144572080, 153076320, 162643590, 173486496, 204101760, 216858120, 231315328, 244922112, 260229744, 289144160, 306152640, 325287180, 346972992, 408203520, 433716240, 462630656, 520459488, 578288320, 612305280, 650574360, 693945984, 867432480, 1040918976, 1156576640, 1224610560, 1301148720, 1387891968, 1734864960, 2081837952, 2313153280, 2602297440, 3469729920, 4163675904, 5204594880, 6939459840, 10409189760, 20818379520]

約数ペア:

[(1, 20818379520), (2, 10409189760), (3, 6939459840), (4, 5204594880), (5, 4163675904), (6, 3469729920), (8, 2602297440), (9, 2313153280), (10, 2081837952), (12, 1734864960), (15, 1387891968), (16, 1301148720), (17, 1224610560), (18, 1156576640), (20, 1040918976), (24, 867432480), (30, 693945984), (32, 650574360), (34, 612305280), (36, 578288320), (40, 520459488), (45, 462630656), (48, 433716240), (51, 408203520), (60, 346972992), (64, 325287180), (68, 306152640), (72, 289144160), (80, 260229744), (85, 244922112), (90, 231315328), (96, 216858120), (102, 204101760), (120, 173486496), (128, 162643590), (136, 153076320), (144, 144572080), (153, 136067840), (160, 130114872), (170, 122461056), (180, 115657664), (192, 108429060), (204, 102050880), (240, 86743248), (255, 81640704), (256, 81321795), (272, 76538160), (288, 72286040), (306, 68033920), (320, 65057436), (340, 61230528), (360, 57828832), (384, 54214530), (408, 51025440), (480, 43371624), (510, 40820352), (544, 38269080), (576, 36143020), (612, 34016960), (640, 32528718), (680, 30615264), (720, 28914416), (765, 27213568), (768, 27107265), (816, 25512720), (960, 21685812), (1020, 20410176), (1088, 19134540), (1152, 18071510), (1224, 17008480), (1280, 16264359), (1360, 15307632), (1440, 14457208), (1530, 13606784), (1632, 12756360), (1920, 10842906), (2040, 10205088), (2176, 9567270), (2304, 9035755), (2448, 8504240), (2720, 7653816), (2880, 7228604), (3060, 6803392), (3264, 6378180), (3840, 5421453), (4080, 5102544), (4352, 4783635), (4896, 4252120), (5440, 3826908), (5760, 3614302), (6120, 3401696), (6528, 3189090), (8160, 2551272), (9792, 2126060), (10880, 1913454), (11520, 1807151), (12240, 1700848), (13056, 1594545), (16320, 1275636), (19584, 1063030), (21760, 956727), (24480, 850424), (32640, 637818), (39168, 531515), (48960, 425212), (65280, 318909), (97920, 212606), (106303, 195840)]