20198491780

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{271}}^1\times {\mathrm{16417}}^1$

素因数の和:16924

約数の個数: 48

約数和(自身を含む): 42763504896

約数和(自身を除く): 22565013116

約数列:

[1, 2, 4, 5, 10, 20, 227, 271, 454, 542, 908, 1084, 1135, 1355, 2270, 2710, 4540, 5420, 16417, 32834, 61517, 65668, 82085, 123034, 164170, 246068, 307585, 328340, 615170, 1230340, 3726659, 4449007, 7453318, 8898014, 14906636, 17796028, 18633295, 22245035, 37266590, 44490070, 74533180, 88980140, 1009924589, 2019849178, 4039698356, 5049622945, 10099245890, 20198491780]

約数ペア:

[(1, 20198491780), (2, 10099245890), (4, 5049622945), (5, 4039698356), (10, 2019849178), (20, 1009924589), (227, 88980140), (271, 74533180), (454, 44490070), (542, 37266590), (908, 22245035), (1084, 18633295), (1135, 17796028), (1355, 14906636), (2270, 8898014), (2710, 7453318), (4540, 4449007), (5420, 3726659), (16417, 1230340), (32834, 615170), (61517, 328340), (65668, 307585), (82085, 246068), (123034, 164170)]