20121806224

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19571}}^1\times {\mathrm{4943}}^1$

素因数の和:24535

約数の個数: 40

約数和(自身を含む): 41995562112

約数和(自身を除く): 21873755888

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 4943, 9886, 19571, 19772, 39142, 39544, 64259, 78284, 79088, 128518, 156568, 254423, 257036, 313136, 508846, 514072, 1017692, 1028144, 2035384, 4070768, 96739453, 193478906, 386957812, 773915624, 1257612889, 1547831248, 2515225778, 5030451556, 10060903112, 20121806224]

約数ペア:

[(1, 20121806224), (2, 10060903112), (4, 5030451556), (8, 2515225778), (13, 1547831248), (16, 1257612889), (26, 773915624), (52, 386957812), (104, 193478906), (208, 96739453), (4943, 4070768), (9886, 2035384), (19571, 1028144), (19772, 1017692), (39142, 514072), (39544, 508846), (64259, 313136), (78284, 257036), (79088, 254423), (128518, 156568)]