20033905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{7603}}^1$

素因数の和:7656

約数の個数: 16

約数和(自身を含む): 26279424

約数和(自身を除く): 6245519

約数列:

[1, 5, 17, 31, 85, 155, 527, 2635, 7603, 38015, 129251, 235693, 646255, 1178465, 4006781, 20033905]

約数ペア:

[(1, 20033905), (5, 4006781), (17, 1178465), (31, 646255), (85, 235693), (155, 129251), (527, 38015), (2635, 7603)]