20280495320

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{7567349}}^1$

素因数の和:7567427

約数の個数: 32

約数和(自身を含む): 46312182000

約数和(自身を除く): 26031686680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 7567349, 15134698, 30269396, 37836745, 60538792, 75673490, 151346980, 302693960, 507012383, 1014024766, 2028049532, 2535061915, 4056099064, 5070123830, 10140247660, 20280495320]

約数ペア:

[(1, 20280495320), (2, 10140247660), (4, 5070123830), (5, 4056099064), (8, 2535061915), (10, 2028049532), (20, 1014024766), (40, 507012383), (67, 302693960), (134, 151346980), (268, 75673490), (335, 60538792), (536, 37836745), (670, 30269396), (1340, 15134698), (2680, 7567349)]