20340184

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{7043}}^1$

素因数の和:7087

約数の個数: 24

約数和(自身を含む): 40256460

約数和(自身を除く): 19916276

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 361, 722, 1444, 2888, 7043, 14086, 28172, 56344, 133817, 267634, 535268, 1070536, 2542523, 5085046, 10170092, 20340184]

約数ペア:

[(1, 20340184), (2, 10170092), (4, 5085046), (8, 2542523), (19, 1070536), (38, 535268), (76, 267634), (152, 133817), (361, 56344), (722, 28172), (1444, 14086), (2888, 7043)]