20108295

素因数分解:

$3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2999}}^1$

素因数の和:3159

約数の個数: 24

約数和(自身を含む): 35100000

約数和(自身を除く): 14991705

約数列:

[1, 3, 5, 9, 15, 45, 149, 447, 745, 1341, 2235, 2999, 6705, 8997, 14995, 26991, 44985, 134955, 446851, 1340553, 2234255, 4021659, 6702765, 20108295]

約数ペア:

[(1, 20108295), (3, 6702765), (5, 4021659), (9, 2234255), (15, 1340553), (45, 446851), (149, 134955), (447, 44985), (745, 26991), (1341, 14995), (2235, 8997), (2999, 6705)]