20565135370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{696887}}^1$

素因数の和:697134

約数の個数: 32

約数和(自身を含む): 40040396928

約数和(自身を除く): 19475261558

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 227, 454, 1135, 2270, 2951, 5902, 14755, 29510, 696887, 1393774, 3484435, 6968870, 9059531, 18119062, 45297655, 90595310, 158193349, 316386698, 790966745, 1581933490, 2056513537, 4113027074, 10282567685, 20565135370]

約数ペア:

[(1, 20565135370), (2, 10282567685), (5, 4113027074), (10, 2056513537), (13, 1581933490), (26, 790966745), (65, 316386698), (130, 158193349), (227, 90595310), (454, 45297655), (1135, 18119062), (2270, 9059531), (2951, 6968870), (5902, 3484435), (14755, 1393774), (29510, 696887)]