20218507620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1259}}^1\times {\mathrm{14087}}^1$

素因数の和:15377

約数の個数: 96

約数和(自身を含む): 59642956800

約数和(自身を除く): 39424449180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 1259, 2518, 3777, 5036, 6295, 7554, 12590, 14087, 15108, 18885, 23921, 25180, 28174, 37770, 42261, 47842, 56348, 70435, 71763, 75540, 84522, 95684, 119605, 140870, 143526, 169044, 211305, 239210, 267653, 281740, 287052, 358815, 422610, 478420, 535306, 717630, 802959, 845220, 1070612, 1338265, 1435260, 1605918, 2676530, 3211836, 4014795, 5353060, 8029590, 16059180, 17735533, 35471066, 53206599, 70942132, 88677665, 106413198, 177355330, 212826396, 266032995, 336975127, 354710660, 532065990, 673950254, 1010925381, 1064131980, 1347900508, 1684875635, 2021850762, 3369751270, 4043701524, 5054626905, 6739502540, 10109253810, 20218507620]

約数ペア:

[(1, 20218507620), (2, 10109253810), (3, 6739502540), (4, 5054626905), (5, 4043701524), (6, 3369751270), (10, 2021850762), (12, 1684875635), (15, 1347900508), (19, 1064131980), (20, 1010925381), (30, 673950254), (38, 532065990), (57, 354710660), (60, 336975127), (76, 266032995), (95, 212826396), (114, 177355330), (190, 106413198), (228, 88677665), (285, 70942132), (380, 53206599), (570, 35471066), (1140, 17735533), (1259, 16059180), (2518, 8029590), (3777, 5353060), (5036, 4014795), (6295, 3211836), (7554, 2676530), (12590, 1605918), (14087, 1435260), (15108, 1338265), (18885, 1070612), (23921, 845220), (25180, 802959), (28174, 717630), (37770, 535306), (42261, 478420), (47842, 422610), (56348, 358815), (70435, 287052), (71763, 281740), (75540, 267653), (84522, 239210), (95684, 211305), (119605, 169044), (140870, 143526)]