20118882

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{353}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 48936960

約数和(自身を除く): 28818078

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 59, 69, 118, 138, 161, 177, 322, 353, 354, 413, 483, 706, 826, 966, 1059, 1239, 1357, 2118, 2471, 2478, 2714, 4071, 4942, 7413, 8119, 8142, 9499, 14826, 16238, 18998, 20827, 24357, 28497, 41654, 48714, 56833, 56994, 62481, 113666, 124962, 145789, 170499, 291578, 340998, 437367, 479021, 874734, 958042, 1437063, 2874126, 3353147, 6706294, 10059441, 20118882]

約数ペア:

[(1, 20118882), (2, 10059441), (3, 6706294), (6, 3353147), (7, 2874126), (14, 1437063), (21, 958042), (23, 874734), (42, 479021), (46, 437367), (59, 340998), (69, 291578), (118, 170499), (138, 145789), (161, 124962), (177, 113666), (322, 62481), (353, 56994), (354, 56833), (413, 48714), (483, 41654), (706, 28497), (826, 24357), (966, 20827), (1059, 18998), (1239, 16238), (1357, 14826), (2118, 9499), (2471, 8142), (2478, 8119), (2714, 7413), (4071, 4942)]