20176832980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{551581}}^1$

素因数の和:551680

約数の個数: 48

約数和(自身を含む): 44479572480

約数和(自身を除く): 24302739500

約数列:

[1, 2, 4, 5, 10, 20, 31, 59, 62, 118, 124, 155, 236, 295, 310, 590, 620, 1180, 1829, 3658, 7316, 9145, 18290, 36580, 551581, 1103162, 2206324, 2757905, 5515810, 11031620, 17099011, 32543279, 34198022, 65086558, 68396044, 85495055, 130173116, 162716395, 170990110, 325432790, 341980220, 650865580, 1008841649, 2017683298, 4035366596, 5044208245, 10088416490, 20176832980]

約数ペア:

[(1, 20176832980), (2, 10088416490), (4, 5044208245), (5, 4035366596), (10, 2017683298), (20, 1008841649), (31, 650865580), (59, 341980220), (62, 325432790), (118, 170990110), (124, 162716395), (155, 130173116), (236, 85495055), (295, 68396044), (310, 65086558), (590, 34198022), (620, 32543279), (1180, 17099011), (1829, 11031620), (3658, 5515810), (7316, 2757905), (9145, 2206324), (18290, 1103162), (36580, 551581)]