20101872

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2063}}^1$

素因数の和:2110

約数の個数: 80

約数和(自身を含む): 61424640

約数和(自身を除く): 41322768

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 29, 42, 48, 56, 58, 84, 87, 112, 116, 168, 174, 203, 232, 336, 348, 406, 464, 609, 696, 812, 1218, 1392, 1624, 2063, 2436, 3248, 4126, 4872, 6189, 8252, 9744, 12378, 14441, 16504, 24756, 28882, 33008, 43323, 49512, 57764, 59827, 86646, 99024, 115528, 119654, 173292, 179481, 231056, 239308, 346584, 358962, 418789, 478616, 693168, 717924, 837578, 957232, 1256367, 1435848, 1675156, 2512734, 2871696, 3350312, 5025468, 6700624, 10050936, 20101872]

約数ペア:

[(1, 20101872), (2, 10050936), (3, 6700624), (4, 5025468), (6, 3350312), (7, 2871696), (8, 2512734), (12, 1675156), (14, 1435848), (16, 1256367), (21, 957232), (24, 837578), (28, 717924), (29, 693168), (42, 478616), (48, 418789), (56, 358962), (58, 346584), (84, 239308), (87, 231056), (112, 179481), (116, 173292), (168, 119654), (174, 115528), (203, 99024), (232, 86646), (336, 59827), (348, 57764), (406, 49512), (464, 43323), (609, 33008), (696, 28882), (812, 24756), (1218, 16504), (1392, 14441), (1624, 12378), (2063, 9744), (2436, 8252), (3248, 6189), (4126, 4872)]