20177404

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12517}}^1$

素因数の和:12565

約数の個数: 24

約数和(自身を含む): 39256448

約数和(自身を除く): 19079044

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 12517, 25034, 50068, 162721, 325442, 388027, 650884, 776054, 1552108, 5044351, 10088702, 20177404]

約数ペア:

[(1, 20177404), (2, 10088702), (4, 5044351), (13, 1552108), (26, 776054), (31, 650884), (52, 388027), (62, 325442), (124, 162721), (403, 50068), (806, 25034), (1612, 12517)]