20431418

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{263}}^1$

素因数の和:482

約数の個数: 32

約数和(自身を含む): 36495360

約数和(自身を除く): 16063942

約数列:

[1, 2, 7, 14, 31, 62, 179, 217, 263, 358, 434, 526, 1253, 1841, 2506, 3682, 5549, 8153, 11098, 16306, 38843, 47077, 57071, 77686, 94154, 114142, 329539, 659078, 1459387, 2918774, 10215709, 20431418]

約数ペア:

[(1, 20431418), (2, 10215709), (7, 2918774), (14, 1459387), (31, 659078), (62, 329539), (179, 114142), (217, 94154), (263, 77686), (358, 57071), (434, 47077), (526, 38843), (1253, 16306), (1841, 11098), (2506, 8153), (3682, 5549)]