20998388

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{2677}}^1$

素因数の和:2771

約数の個数: 24

約数和(自身を含む): 38466792

約数和(自身を除く): 17468404

約数列:

[1, 2, 4, 37, 53, 74, 106, 148, 212, 1961, 2677, 3922, 5354, 7844, 10708, 99049, 141881, 198098, 283762, 396196, 567524, 5249597, 10499194, 20998388]

約数ペア:

[(1, 20998388), (2, 10499194), (4, 5249597), (37, 567524), (53, 396196), (74, 283762), (106, 198098), (148, 141881), (212, 99049), (1961, 10708), (2677, 7844), (3922, 5354)]