20698496637

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1242929}}^1$

素因数の和:1243013

約数の個数: 32

約数和(自身を含む): 34523623680

約数和(自身を除く): 13825127043

約数列:

[1, 3, 7, 13, 21, 39, 61, 91, 183, 273, 427, 793, 1281, 2379, 5551, 16653, 1242929, 3728787, 8700503, 16158077, 26101509, 48474231, 75818669, 113106539, 227456007, 339319617, 530730683, 985642697, 1592192049, 2956928091, 6899498879, 20698496637]

約数ペア:

[(1, 20698496637), (3, 6899498879), (7, 2956928091), (13, 1592192049), (21, 985642697), (39, 530730683), (61, 339319617), (91, 227456007), (183, 113106539), (273, 75818669), (427, 48474231), (793, 26101509), (1281, 16158077), (2379, 8700503), (5551, 3728787), (16653, 1242929)]