20320455310

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1\times {\mathrm{128521}}^1$

素因数の和:128788

約数の個数: 32

約数和(自身を含む): 37180900512

約数和(自身を除く): 16860445202

約数列:

[1, 2, 5, 10, 97, 163, 194, 326, 485, 815, 970, 1630, 15811, 31622, 79055, 128521, 158110, 257042, 642605, 1285210, 12466537, 20948923, 24933074, 41897846, 62332685, 104744615, 124665370, 209489230, 2032045531, 4064091062, 10160227655, 20320455310]

約数ペア:

[(1, 20320455310), (2, 10160227655), (5, 4064091062), (10, 2032045531), (97, 209489230), (163, 124665370), (194, 104744615), (326, 62332685), (485, 41897846), (815, 24933074), (970, 20948923), (1630, 12466537), (15811, 1285210), (31622, 642605), (79055, 257042), (128521, 158110)]