20117870985

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{308249}}^1$

素因数の和:308505

約数の個数: 32

約数和(自身を含む): 34030800000

約数和(自身を除く): 13912929015

約数列:

[1, 3, 5, 15, 19, 57, 95, 229, 285, 687, 1145, 3435, 4351, 13053, 21755, 65265, 308249, 924747, 1541245, 4623735, 5856731, 17570193, 29283655, 70589021, 87850965, 211767063, 352945105, 1058835315, 1341191399, 4023574197, 6705956995, 20117870985]

約数ペア:

[(1, 20117870985), (3, 6705956995), (5, 4023574197), (15, 1341191399), (19, 1058835315), (57, 352945105), (95, 211767063), (229, 87850965), (285, 70589021), (687, 29283655), (1145, 17570193), (3435, 5856731), (4351, 4623735), (13053, 1541245), (21755, 924747), (65265, 308249)]