20184889712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97042739}}^1$

素因数の和:97042760

約数の個数: 20

約数和(自身を含む): 42116549160

約数和(自身を除く): 21931659448

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 97042739, 194085478, 388170956, 776341912, 1261555607, 1552683824, 2523111214, 5046222428, 10092444856, 20184889712]

約数ペア:

[(1, 20184889712), (2, 10092444856), (4, 5046222428), (8, 2523111214), (13, 1552683824), (16, 1261555607), (26, 776341912), (52, 388170956), (104, 194085478), (208, 97042739)]