20347731290

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{827}}^1\times {\mathrm{144731}}^1$

素因数の和:145582

約数の個数: 32

約数和(自身を含む): 38827543104

約数和(自身を除く): 18479811814

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 827, 1654, 4135, 8270, 14059, 28118, 70295, 140590, 144731, 289462, 723655, 1447310, 2460427, 4920854, 12302135, 24604270, 119692537, 239385074, 598462685, 1196925370, 2034773129, 4069546258, 10173865645, 20347731290]

約数ペア:

[(1, 20347731290), (2, 10173865645), (5, 4069546258), (10, 2034773129), (17, 1196925370), (34, 598462685), (85, 239385074), (170, 119692537), (827, 24604270), (1654, 12302135), (4135, 4920854), (8270, 2460427), (14059, 1447310), (28118, 723655), (70295, 289462), (140590, 144731)]