20347514

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:350

約数の個数: 32

約数和(自身を含む): 34537536

約数和(自身を除く): 14190022

約数列:

[1, 2, 11, 22, 43, 86, 137, 157, 274, 314, 473, 946, 1507, 1727, 3014, 3454, 5891, 6751, 11782, 13502, 21509, 43018, 64801, 74261, 129602, 148522, 236599, 473198, 924887, 1849774, 10173757, 20347514]

約数ペア:

[(1, 20347514), (2, 10173757), (11, 1849774), (22, 924887), (43, 473198), (86, 236599), (137, 148522), (157, 129602), (274, 74261), (314, 64801), (473, 43018), (946, 21509), (1507, 13502), (1727, 11782), (3014, 6751), (3454, 5891)]