20254260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1129}}^1$

素因数の和:1177

約数の個数: 96

約数和(自身を含む): 63786240

約数和(自身を除く): 43531980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 26, 30, 39, 46, 52, 60, 65, 69, 78, 92, 115, 130, 138, 156, 195, 230, 260, 276, 299, 345, 390, 460, 598, 690, 780, 897, 1129, 1196, 1380, 1495, 1794, 2258, 2990, 3387, 3588, 4485, 4516, 5645, 5980, 6774, 8970, 11290, 13548, 14677, 16935, 17940, 22580, 25967, 29354, 33870, 44031, 51934, 58708, 67740, 73385, 77901, 88062, 103868, 129835, 146770, 155802, 176124, 220155, 259670, 293540, 311604, 337571, 389505, 440310, 519340, 675142, 779010, 880620, 1012713, 1350284, 1558020, 1687855, 2025426, 3375710, 4050852, 5063565, 6751420, 10127130, 20254260]

約数ペア:

[(1, 20254260), (2, 10127130), (3, 6751420), (4, 5063565), (5, 4050852), (6, 3375710), (10, 2025426), (12, 1687855), (13, 1558020), (15, 1350284), (20, 1012713), (23, 880620), (26, 779010), (30, 675142), (39, 519340), (46, 440310), (52, 389505), (60, 337571), (65, 311604), (69, 293540), (78, 259670), (92, 220155), (115, 176124), (130, 155802), (138, 146770), (156, 129835), (195, 103868), (230, 88062), (260, 77901), (276, 73385), (299, 67740), (345, 58708), (390, 51934), (460, 44031), (598, 33870), (690, 29354), (780, 25967), (897, 22580), (1129, 17940), (1196, 16935), (1380, 14677), (1495, 13548), (1794, 11290), (2258, 8970), (2990, 6774), (3387, 5980), (3588, 5645), (4485, 4516)]