20784210910

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{497111}}^1$

素因数の和:497268

約数の個数: 32

約数和(自身を含む): 38762805312

約数和(自身を除く): 17978594402

約数列:

[1, 2, 5, 10, 37, 74, 113, 185, 226, 370, 565, 1130, 4181, 8362, 20905, 41810, 497111, 994222, 2485555, 4971110, 18393107, 36786214, 56173543, 91965535, 112347086, 183931070, 280867715, 561735430, 2078421091, 4156842182, 10392105455, 20784210910]

約数ペア:

[(1, 20784210910), (2, 10392105455), (5, 4156842182), (10, 2078421091), (37, 561735430), (74, 280867715), (113, 183931070), (185, 112347086), (226, 91965535), (370, 56173543), (565, 36786214), (1130, 18393107), (4181, 4971110), (8362, 2485555), (20905, 994222), (41810, 497111)]