20267056

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1409}}^1$

素因数の和:1477

約数の個数: 40

約数和(自身を含む): 41961600

約数和(自身を除く): 21694544

約数列:

[1, 2, 4, 8, 16, 29, 31, 58, 62, 116, 124, 232, 248, 464, 496, 899, 1409, 1798, 2818, 3596, 5636, 7192, 11272, 14384, 22544, 40861, 43679, 81722, 87358, 163444, 174716, 326888, 349432, 653776, 698864, 1266691, 2533382, 5066764, 10133528, 20267056]

約数ペア:

[(1, 20267056), (2, 10133528), (4, 5066764), (8, 2533382), (16, 1266691), (29, 698864), (31, 653776), (58, 349432), (62, 326888), (116, 174716), (124, 163444), (232, 87358), (248, 81722), (464, 43679), (496, 40861), (899, 22544), (1409, 14384), (1798, 11272), (2818, 7192), (3596, 5636)]