20170853860

素因数分解:

$2^2\times 5^1\times {\mathrm{15241}}^1\times {\mathrm{66173}}^1$

素因数の和:81423

約数の個数: 24

約数和(自身を含む): 42362212536

約数和(自身を除く): 22191358676

約数列:

[1, 2, 4, 5, 10, 20, 15241, 30482, 60964, 66173, 76205, 132346, 152410, 264692, 304820, 330865, 661730, 1323460, 1008542693, 2017085386, 4034170772, 5042713465, 10085426930, 20170853860]

約数ペア:

[(1, 20170853860), (2, 10085426930), (4, 5042713465), (5, 4034170772), (10, 2017085386), (20, 1008542693), (15241, 1323460), (30482, 661730), (60964, 330865), (66173, 304820), (76205, 264692), (132346, 152410)]