20024640

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1$

素因数の和:449

約数の個数: 168

約数和(自身を含む): 73106280

約数和(自身を除く): 53081640

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, 136, 144, 153, 160, 170, 180, 192, 204, 240, 255, 272, 288, 306, 320, 340, 360, 408, 409, 480, 510, 544, 576, 612, 680, 720, 765, 816, 818, 960, 1020, 1088, 1224, 1227, 1360, 1440, 1530, 1632, 1636, 2040, 2045, 2448, 2454, 2720, 2880, 3060, 3264, 3272, 3681, 4080, 4090, 4896, 4908, 5440, 6120, 6135, 6544, 6953, 7362, 8160, 8180, 9792, 9816, 12240, 12270, 13088, 13906, 14724, 16320, 16360, 18405, 19632, 20859, 24480, 24540, 26176, 27812, 29448, 32720, 34765, 36810, 39264, 41718, 48960, 49080, 55624, 58896, 62577, 65440, 69530, 73620, 78528, 83436, 98160, 104295, 111248, 117792, 125154, 130880, 139060, 147240, 166872, 196320, 208590, 222496, 235584, 250308, 278120, 294480, 312885, 333744, 392640, 417180, 444992, 500616, 556240, 588960, 625770, 667488, 834360, 1001232, 1112480, 1177920, 1251540, 1334976, 1668720, 2002464, 2224960, 2503080, 3337440, 4004928, 5006160, 6674880, 10012320, 20024640]

約数ペア:

[(1, 20024640), (2, 10012320), (3, 6674880), (4, 5006160), (5, 4004928), (6, 3337440), (8, 2503080), (9, 2224960), (10, 2002464), (12, 1668720), (15, 1334976), (16, 1251540), (17, 1177920), (18, 1112480), (20, 1001232), (24, 834360), (30, 667488), (32, 625770), (34, 588960), (36, 556240), (40, 500616), (45, 444992), (48, 417180), (51, 392640), (60, 333744), (64, 312885), (68, 294480), (72, 278120), (80, 250308), (85, 235584), (90, 222496), (96, 208590), (102, 196320), (120, 166872), (136, 147240), (144, 139060), (153, 130880), (160, 125154), (170, 117792), (180, 111248), (192, 104295), (204, 98160), (240, 83436), (255, 78528), (272, 73620), (288, 69530), (306, 65440), (320, 62577), (340, 58896), (360, 55624), (408, 49080), (409, 48960), (480, 41718), (510, 39264), (544, 36810), (576, 34765), (612, 32720), (680, 29448), (720, 27812), (765, 26176), (816, 24540), (818, 24480), (960, 20859), (1020, 19632), (1088, 18405), (1224, 16360), (1227, 16320), (1360, 14724), (1440, 13906), (1530, 13088), (1632, 12270), (1636, 12240), (2040, 9816), (2045, 9792), (2448, 8180), (2454, 8160), (2720, 7362), (2880, 6953), (3060, 6544), (3264, 6135), (3272, 6120), (3681, 5440), (4080, 4908), (4090, 4896)]