20163268895

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{857}}^1\times {\mathrm{2657}}^1$

素因数の和:3560

約数の個数: 64

約数和(自身を含む): 31526516736

約数和(自身を除く): 11363247841

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 253, 385, 805, 857, 1265, 1771, 2657, 4285, 5999, 8855, 9427, 13285, 18599, 19711, 29227, 29995, 47135, 61111, 65989, 92995, 98555, 137977, 146135, 204589, 216821, 305555, 329945, 427777, 672221, 689885, 1022945, 1084105, 1517747, 2138885, 2277049, 3361105, 4705547, 7588735, 11385245, 15939343, 23527735, 25047539, 52372127, 79696715, 125237695, 175332773, 261860635, 366604889, 576093397, 876663865, 1833024445, 2880466985, 4032653779, 20163268895]

約数ペア:

[(1, 20163268895), (5, 4032653779), (7, 2880466985), (11, 1833024445), (23, 876663865), (35, 576093397), (55, 366604889), (77, 261860635), (115, 175332773), (161, 125237695), (253, 79696715), (385, 52372127), (805, 25047539), (857, 23527735), (1265, 15939343), (1771, 11385245), (2657, 7588735), (4285, 4705547), (5999, 3361105), (8855, 2277049), (9427, 2138885), (13285, 1517747), (18599, 1084105), (19711, 1022945), (29227, 689885), (29995, 672221), (47135, 427777), (61111, 329945), (65989, 305555), (92995, 216821), (98555, 204589), (137977, 146135)]