20207470

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:436

約数の個数: 32

約数和(自身を含む): 37381536

約数和(自身を除く): 17174066

約数列:

[1, 2, 5, 10, 61, 122, 157, 211, 305, 314, 422, 610, 785, 1055, 1570, 2110, 9577, 12871, 19154, 25742, 33127, 47885, 64355, 66254, 95770, 128710, 165635, 331270, 2020747, 4041494, 10103735, 20207470]

約数ペア:

[(1, 20207470), (2, 10103735), (5, 4041494), (10, 2020747), (61, 331270), (122, 165635), (157, 128710), (211, 95770), (305, 66254), (314, 64355), (422, 47885), (610, 33127), (785, 25742), (1055, 19154), (1570, 12871), (2110, 9577)]