20785848

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{577}}^1$

素因数の和:684

約数の個数: 64

約数和(自身を含む): 55488000

約数和(自身を除く): 34702152

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 79, 114, 152, 158, 228, 237, 316, 456, 474, 577, 632, 948, 1154, 1501, 1731, 1896, 2308, 3002, 3462, 4503, 4616, 6004, 6924, 9006, 10963, 12008, 13848, 18012, 21926, 32889, 36024, 43852, 45583, 65778, 87704, 91166, 131556, 136749, 182332, 263112, 273498, 364664, 546996, 866077, 1093992, 1732154, 2598231, 3464308, 5196462, 6928616, 10392924, 20785848]

約数ペア:

[(1, 20785848), (2, 10392924), (3, 6928616), (4, 5196462), (6, 3464308), (8, 2598231), (12, 1732154), (19, 1093992), (24, 866077), (38, 546996), (57, 364664), (76, 273498), (79, 263112), (114, 182332), (152, 136749), (158, 131556), (228, 91166), (237, 87704), (316, 65778), (456, 45583), (474, 43852), (577, 36024), (632, 32889), (948, 21926), (1154, 18012), (1501, 13848), (1731, 12008), (1896, 10963), (2308, 9006), (3002, 6924), (3462, 6004), (4503, 4616)]