20164579654

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1\times {\mathrm{25889}}^1$

素因数の和:26212

約数の個数: 32

約数和(自身を含む): 32310720000

約数和(自身を除く): 12146140346

約数列:

[1, 2, 19, 38, 103, 199, 206, 398, 1957, 3781, 3914, 7562, 20497, 25889, 40994, 51778, 389443, 491891, 778886, 983782, 2666567, 5151911, 5333134, 10303822, 50664773, 97886309, 101329546, 195772618, 530646833, 1061293666, 10082289827, 20164579654]

約数ペア:

[(1, 20164579654), (2, 10082289827), (19, 1061293666), (38, 530646833), (103, 195772618), (199, 101329546), (206, 97886309), (398, 50664773), (1957, 10303822), (3781, 5333134), (3914, 5151911), (7562, 2666567), (20497, 983782), (25889, 778886), (40994, 491891), (51778, 389443)]