20153173690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4189849}}^1$

素因数の和:4189906

約数の個数: 32

約数和(自身を含む): 40122003600

約数和(自身を除く): 19968829910

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 4189849, 8379698, 20949245, 41898490, 54468037, 108936074, 155024413, 272340185, 310048826, 544680370, 775122065, 1550244130, 2015317369, 4030634738, 10076586845, 20153173690]

約数ペア:

[(1, 20153173690), (2, 10076586845), (5, 4030634738), (10, 2015317369), (13, 1550244130), (26, 775122065), (37, 544680370), (65, 310048826), (74, 272340185), (130, 155024413), (185, 108936074), (370, 54468037), (481, 41898490), (962, 20949245), (2405, 8379698), (4810, 4189849)]