20293920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{829}}^1$

素因数の和:867

約数の個数: 144

約数和(自身を含む): 73415160

約数和(自身を除く): 53121240

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, 68, 72, 80, 85, 90, 96, 102, 120, 136, 144, 153, 160, 170, 180, 204, 240, 255, 272, 288, 306, 340, 360, 408, 480, 510, 544, 612, 680, 720, 765, 816, 829, 1020, 1224, 1360, 1440, 1530, 1632, 1658, 2040, 2448, 2487, 2720, 3060, 3316, 4080, 4145, 4896, 4974, 6120, 6632, 7461, 8160, 8290, 9948, 12240, 12435, 13264, 14093, 14922, 16580, 19896, 24480, 24870, 26528, 28186, 29844, 33160, 37305, 39792, 42279, 49740, 56372, 59688, 66320, 70465, 74610, 79584, 84558, 99480, 112744, 119376, 126837, 132640, 140930, 149220, 169116, 198960, 211395, 225488, 238752, 253674, 281860, 298440, 338232, 397920, 422790, 450976, 507348, 563720, 596880, 634185, 676464, 845580, 1014696, 1127440, 1193760, 1268370, 1352928, 1691160, 2029392, 2254880, 2536740, 3382320, 4058784, 5073480, 6764640, 10146960, 20293920]

約数ペア:

[(1, 20293920), (2, 10146960), (3, 6764640), (4, 5073480), (5, 4058784), (6, 3382320), (8, 2536740), (9, 2254880), (10, 2029392), (12, 1691160), (15, 1352928), (16, 1268370), (17, 1193760), (18, 1127440), (20, 1014696), (24, 845580), (30, 676464), (32, 634185), (34, 596880), (36, 563720), (40, 507348), (45, 450976), (48, 422790), (51, 397920), (60, 338232), (68, 298440), (72, 281860), (80, 253674), (85, 238752), (90, 225488), (96, 211395), (102, 198960), (120, 169116), (136, 149220), (144, 140930), (153, 132640), (160, 126837), (170, 119376), (180, 112744), (204, 99480), (240, 84558), (255, 79584), (272, 74610), (288, 70465), (306, 66320), (340, 59688), (360, 56372), (408, 49740), (480, 42279), (510, 39792), (544, 37305), (612, 33160), (680, 29844), (720, 28186), (765, 26528), (816, 24870), (829, 24480), (1020, 19896), (1224, 16580), (1360, 14922), (1440, 14093), (1530, 13264), (1632, 12435), (1658, 12240), (2040, 9948), (2448, 8290), (2487, 8160), (2720, 7461), (3060, 6632), (3316, 6120), (4080, 4974), (4145, 4896)]