20578430

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{18211}}^1$

素因数の和:18331

約数の個数: 16

約数和(自身を含む): 37371024

約数和(自身を除く): 16792594

約数列:

[1, 2, 5, 10, 113, 226, 565, 1130, 18211, 36422, 91055, 182110, 2057843, 4115686, 10289215, 20578430]

約数ペア:

[(1, 20578430), (2, 10289215), (5, 4115686), (10, 2057843), (113, 182110), (226, 91055), (565, 36422), (1130, 18211)]