20139130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{821}}^1$

素因数の和:1062

約数の個数: 32

約数和(自身を含む): 39771648

約数和(自身を除く): 19632518

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 223, 446, 821, 1115, 1642, 2230, 2453, 4105, 4906, 8210, 9031, 12265, 18062, 24530, 45155, 90310, 183083, 366166, 915415, 1830830, 2013913, 4027826, 10069565, 20139130]

約数ペア:

[(1, 20139130), (2, 10069565), (5, 4027826), (10, 2013913), (11, 1830830), (22, 915415), (55, 366166), (110, 183083), (223, 90310), (446, 45155), (821, 24530), (1115, 18062), (1642, 12265), (2230, 9031), (2453, 8210), (4105, 4906)]