20529524

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{163}}^1$

素因数の和:264

約数の個数: 36

約数和(自身を含む): 38765664

約数和(自身を除く): 18236140

約数列:

[1, 2, 4, 23, 37, 46, 74, 92, 148, 163, 326, 652, 851, 1369, 1702, 2738, 3404, 3749, 5476, 6031, 7498, 12062, 14996, 24124, 31487, 62974, 125948, 138713, 223147, 277426, 446294, 554852, 892588, 5132381, 10264762, 20529524]

約数ペア:

[(1, 20529524), (2, 10264762), (4, 5132381), (23, 892588), (37, 554852), (46, 446294), (74, 277426), (92, 223147), (148, 138713), (163, 125948), (326, 62974), (652, 31487), (851, 24124), (1369, 14996), (1702, 12062), (2738, 7498), (3404, 6031), (3749, 5476)]