20175038583

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{131371}}^1$

素因数の和:131555

約数の個数: 32

約数和(自身を含む): 31478833152

約数和(自身を除く): 11303794569

約数列:

[1, 3, 7, 21, 71, 103, 213, 309, 497, 721, 1491, 2163, 7313, 21939, 51191, 131371, 153573, 394113, 919597, 2758791, 9327341, 13531213, 27982023, 40593639, 65291387, 94718491, 195874161, 284155473, 960716123, 2882148369, 6725012861, 20175038583]

約数ペア:

[(1, 20175038583), (3, 6725012861), (7, 2882148369), (21, 960716123), (71, 284155473), (103, 195874161), (213, 94718491), (309, 65291387), (497, 40593639), (721, 27982023), (1491, 13531213), (2163, 9327341), (7313, 2758791), (21939, 919597), (51191, 394113), (131371, 153573)]