20215821028

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{1174519}}^1$

素因数の和:1174867

約数の個数: 24

約数和(自身を含む): 38214182720

約数和(自身を除く): 17998361692

約数列:

[1, 2, 4, 13, 26, 52, 331, 662, 1324, 4303, 8606, 17212, 1174519, 2349038, 4698076, 15268747, 30537494, 61074988, 388765789, 777531578, 1555063156, 5053955257, 10107910514, 20215821028]

約数ペア:

[(1, 20215821028), (2, 10107910514), (4, 5053955257), (13, 1555063156), (26, 777531578), (52, 388765789), (331, 61074988), (662, 30537494), (1324, 15268747), (4303, 4698076), (8606, 2349038), (17212, 1174519)]