20187054992

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97053149}}^1$

素因数の和:97053170

約数の個数: 20

約数和(自身を含む): 42121067100

約数和(自身を除く): 21934012108

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 97053149, 194106298, 388212596, 776425192, 1261690937, 1552850384, 2523381874, 5046763748, 10093527496, 20187054992]

約数ペア:

[(1, 20187054992), (2, 10093527496), (4, 5046763748), (8, 2523381874), (13, 1552850384), (16, 1261690937), (26, 776425192), (52, 388212596), (104, 194106298), (208, 97053149)]