20474036380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{863}}^1\times {\mathrm{1747}}^1$

素因数の和:2723

約数の個数: 96

約数和(自身を含む): 49730236416

約数和(自身を除く): 29256200036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 863, 970, 1358, 1726, 1747, 1940, 2716, 3395, 3452, 3494, 4315, 6041, 6790, 6988, 8630, 8735, 12082, 12229, 13580, 17260, 17470, 24164, 24458, 30205, 34940, 48916, 60410, 61145, 83711, 120820, 122290, 167422, 169459, 244580, 334844, 338918, 418555, 585977, 677836, 837110, 847295, 1171954, 1186213, 1507661, 1674220, 1694590, 2343908, 2372426, 2929885, 3015322, 3389180, 4744852, 5859770, 5931065, 6030644, 7538305, 10553627, 11719540, 11862130, 15076610, 21107254, 23724260, 30153220, 42214508, 52768135, 105536270, 146243117, 211072540, 292486234, 584972468, 731215585, 1023701819, 1462431170, 2047403638, 2924862340, 4094807276, 5118509095, 10237018190, 20474036380]

約数ペア:

[(1, 20474036380), (2, 10237018190), (4, 5118509095), (5, 4094807276), (7, 2924862340), (10, 2047403638), (14, 1462431170), (20, 1023701819), (28, 731215585), (35, 584972468), (70, 292486234), (97, 211072540), (140, 146243117), (194, 105536270), (388, 52768135), (485, 42214508), (679, 30153220), (863, 23724260), (970, 21107254), (1358, 15076610), (1726, 11862130), (1747, 11719540), (1940, 10553627), (2716, 7538305), (3395, 6030644), (3452, 5931065), (3494, 5859770), (4315, 4744852), (6041, 3389180), (6790, 3015322), (6988, 2929885), (8630, 2372426), (8735, 2343908), (12082, 1694590), (12229, 1674220), (13580, 1507661), (17260, 1186213), (17470, 1171954), (24164, 847295), (24458, 837110), (30205, 677836), (34940, 585977), (48916, 418555), (60410, 338918), (61145, 334844), (83711, 244580), (120820, 169459), (122290, 167422)]