20171178

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{211}}^1$

素因数の和:379

約数の個数: 48

約数和(自身を含む): 45242496

約数和(自身を除く): 25071318

約数列:

[1, 2, 3, 6, 9, 18, 47, 94, 113, 141, 211, 226, 282, 339, 422, 423, 633, 678, 846, 1017, 1266, 1899, 2034, 3798, 5311, 9917, 10622, 15933, 19834, 23843, 29751, 31866, 47686, 47799, 59502, 71529, 89253, 95598, 143058, 178506, 214587, 429174, 1120621, 2241242, 3361863, 6723726, 10085589, 20171178]

約数ペア:

[(1, 20171178), (2, 10085589), (3, 6723726), (6, 3361863), (9, 2241242), (18, 1120621), (47, 429174), (94, 214587), (113, 178506), (141, 143058), (211, 95598), (226, 89253), (282, 71529), (339, 59502), (422, 47799), (423, 47686), (633, 31866), (678, 29751), (846, 23843), (1017, 19834), (1266, 15933), (1899, 10622), (2034, 9917), (3798, 5311)]