20185869232

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{359}}^1\times {\mathrm{113363}}^1$

素因数の和:113761

約数の個数: 40

約数和(自身を含む): 40484551680

約数和(自身を除く): 20298682448

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 359, 496, 718, 1436, 2872, 5744, 11129, 22258, 44516, 89032, 113363, 178064, 226726, 453452, 906904, 1813808, 3514253, 7028506, 14057012, 28114024, 40697317, 56228048, 81394634, 162789268, 325578536, 651157072, 1261616827, 2523233654, 5046467308, 10092934616, 20185869232]

約数ペア:

[(1, 20185869232), (2, 10092934616), (4, 5046467308), (8, 2523233654), (16, 1261616827), (31, 651157072), (62, 325578536), (124, 162789268), (248, 81394634), (359, 56228048), (496, 40697317), (718, 28114024), (1436, 14057012), (2872, 7028506), (5744, 3514253), (11129, 1813808), (22258, 906904), (44516, 453452), (89032, 226726), (113363, 178064)]