20542630

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{811}}^1$

素因数の和:984

約数の個数: 32

約数和(自身を含む): 39463200

約数和(自身を除く): 18920570

約数列:

[1, 2, 5, 10, 17, 34, 85, 149, 170, 298, 745, 811, 1490, 1622, 2533, 4055, 5066, 8110, 12665, 13787, 25330, 27574, 68935, 120839, 137870, 241678, 604195, 1208390, 2054263, 4108526, 10271315, 20542630]

約数ペア:

[(1, 20542630), (2, 10271315), (5, 4108526), (10, 2054263), (17, 1208390), (34, 604195), (85, 241678), (149, 137870), (170, 120839), (298, 68935), (745, 27574), (811, 25330), (1490, 13787), (1622, 12665), (2533, 8110), (4055, 5066)]