20314290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{499}}^1$

素因数の和:591

約数の個数: 64

約数和(自身を含む): 51840000

約数和(自身を除く): 31525710

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 59, 69, 115, 118, 138, 177, 230, 295, 345, 354, 499, 590, 690, 885, 998, 1357, 1497, 1770, 2495, 2714, 2994, 4071, 4990, 6785, 7485, 8142, 11477, 13570, 14970, 20355, 22954, 29441, 34431, 40710, 57385, 58882, 68862, 88323, 114770, 147205, 172155, 176646, 294410, 344310, 441615, 677143, 883230, 1354286, 2031429, 3385715, 4062858, 6771430, 10157145, 20314290]

約数ペア:

[(1, 20314290), (2, 10157145), (3, 6771430), (5, 4062858), (6, 3385715), (10, 2031429), (15, 1354286), (23, 883230), (30, 677143), (46, 441615), (59, 344310), (69, 294410), (115, 176646), (118, 172155), (138, 147205), (177, 114770), (230, 88323), (295, 68862), (345, 58882), (354, 57385), (499, 40710), (590, 34431), (690, 29441), (885, 22954), (998, 20355), (1357, 14970), (1497, 13570), (1770, 11477), (2495, 8142), (2714, 7485), (2994, 6785), (4071, 4990)]