20163698470

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1987}}^1\times {\mathrm{59693}}^1$

素因数の和:61704

約数の個数: 32

約数和(自身を含む): 38449621728

約数和(自身を除く): 18285923258

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 1987, 3974, 9935, 19870, 33779, 59693, 67558, 119386, 168895, 298465, 337790, 596930, 1014781, 2029562, 5073905, 10147810, 118609991, 237219982, 593049955, 1186099910, 2016369847, 4032739694, 10081849235, 20163698470]

約数ペア:

[(1, 20163698470), (2, 10081849235), (5, 4032739694), (10, 2016369847), (17, 1186099910), (34, 593049955), (85, 237219982), (170, 118609991), (1987, 10147810), (3974, 5073905), (9935, 2029562), (19870, 1014781), (33779, 596930), (59693, 337790), (67558, 298465), (119386, 168895)]