20178084

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2521}}^1$

素因数の和:2580

約数の個数: 48

約数和(自身を含む): 50843520

約数和(自身を除く): 30665436

約数列:

[1, 2, 3, 4, 6, 12, 23, 29, 46, 58, 69, 87, 92, 116, 138, 174, 276, 348, 667, 1334, 2001, 2521, 2668, 4002, 5042, 7563, 8004, 10084, 15126, 30252, 57983, 73109, 115966, 146218, 173949, 219327, 231932, 292436, 347898, 438654, 695796, 877308, 1681507, 3363014, 5044521, 6726028, 10089042, 20178084]

約数ペア:

[(1, 20178084), (2, 10089042), (3, 6726028), (4, 5044521), (6, 3363014), (12, 1681507), (23, 877308), (29, 695796), (46, 438654), (58, 347898), (69, 292436), (87, 231932), (92, 219327), (116, 173949), (138, 146218), (174, 115966), (276, 73109), (348, 57983), (667, 30252), (1334, 15126), (2001, 10084), (2521, 8004), (2668, 7563), (4002, 5042)]