20522484975

素因数分解:

$3^1\times 5^2\times {\mathrm{107}}^1\times {\mathrm{1361}}^1\times {\mathrm{1879}}^1$

素因数の和:3360

約数の個数: 48

約数和(自身を含む): 34291019520

約数和(自身を除く): 13768534545

約数列:

[1, 3, 5, 15, 25, 75, 107, 321, 535, 1361, 1605, 1879, 2675, 4083, 5637, 6805, 8025, 9395, 20415, 28185, 34025, 46975, 102075, 140925, 145627, 201053, 436881, 603159, 728135, 1005265, 2184405, 2557319, 3015795, 3640675, 5026325, 7671957, 10922025, 12786595, 15078975, 38359785, 63932975, 191798925, 273633133, 820899399, 1368165665, 4104496995, 6840828325, 20522484975]

約数ペア:

[(1, 20522484975), (3, 6840828325), (5, 4104496995), (15, 1368165665), (25, 820899399), (75, 273633133), (107, 191798925), (321, 63932975), (535, 38359785), (1361, 15078975), (1605, 12786595), (1879, 10922025), (2675, 7671957), (4083, 5026325), (5637, 3640675), (6805, 3015795), (8025, 2557319), (9395, 2184405), (20415, 1005265), (28185, 728135), (34025, 603159), (46975, 436881), (102075, 201053), (140925, 145627)]