20438430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{18413}}^1$

素因数の和:18460

約数の個数: 32

約数和(自身を含む): 50380704

約数和(自身を除く): 29942274

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 555, 1110, 18413, 36826, 55239, 92065, 110478, 184130, 276195, 552390, 681281, 1362562, 2043843, 3406405, 4087686, 6812810, 10219215, 20438430]

約数ペア:

[(1, 20438430), (2, 10219215), (3, 6812810), (5, 4087686), (6, 3406405), (10, 2043843), (15, 1362562), (30, 681281), (37, 552390), (74, 276195), (111, 184130), (185, 110478), (222, 92065), (370, 55239), (555, 36826), (1110, 18413)]