20565516304

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{379}}^1\times {\mathrm{34963}}^1$

素因数の和:35447

約数の個数: 40

約数和(自身を含む): 40363840160

約数和(自身を除く): 19798323856

約数列:

[1, 2, 4, 8, 16, 97, 194, 379, 388, 758, 776, 1516, 1552, 3032, 6064, 34963, 36763, 69926, 73526, 139852, 147052, 279704, 294104, 559408, 588208, 3391411, 6782822, 13250977, 13565644, 26501954, 27131288, 53003908, 54262576, 106007816, 212015632, 1285344769, 2570689538, 5141379076, 10282758152, 20565516304]

約数ペア:

[(1, 20565516304), (2, 10282758152), (4, 5141379076), (8, 2570689538), (16, 1285344769), (97, 212015632), (194, 106007816), (379, 54262576), (388, 53003908), (758, 27131288), (776, 26501954), (1516, 13565644), (1552, 13250977), (3032, 6782822), (6064, 3391411), (34963, 588208), (36763, 559408), (69926, 294104), (73526, 279704), (139852, 147052)]