20588260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{461}}^1$

素因数の和:517

約数の個数: 96

約数和(自身を含む): 55883520

約数和(自身を除く): 35295260

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 29, 35, 44, 55, 58, 70, 77, 110, 116, 140, 145, 154, 203, 220, 290, 308, 319, 385, 406, 461, 580, 638, 770, 812, 922, 1015, 1276, 1540, 1595, 1844, 2030, 2233, 2305, 3190, 3227, 4060, 4466, 4610, 5071, 6380, 6454, 8932, 9220, 10142, 11165, 12908, 13369, 16135, 20284, 22330, 25355, 26738, 32270, 35497, 44660, 50710, 53476, 64540, 66845, 70994, 93583, 101420, 133690, 141988, 147059, 177485, 187166, 267380, 294118, 354970, 374332, 467915, 588236, 709940, 735295, 935830, 1029413, 1470590, 1871660, 2058826, 2941180, 4117652, 5147065, 10294130, 20588260]

約数ペア:

[(1, 20588260), (2, 10294130), (4, 5147065), (5, 4117652), (7, 2941180), (10, 2058826), (11, 1871660), (14, 1470590), (20, 1029413), (22, 935830), (28, 735295), (29, 709940), (35, 588236), (44, 467915), (55, 374332), (58, 354970), (70, 294118), (77, 267380), (110, 187166), (116, 177485), (140, 147059), (145, 141988), (154, 133690), (203, 101420), (220, 93583), (290, 70994), (308, 66845), (319, 64540), (385, 53476), (406, 50710), (461, 44660), (580, 35497), (638, 32270), (770, 26738), (812, 25355), (922, 22330), (1015, 20284), (1276, 16135), (1540, 13369), (1595, 12908), (1844, 11165), (2030, 10142), (2233, 9220), (2305, 8932), (3190, 6454), (3227, 6380), (4060, 5071), (4466, 4610)]