20892844

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{12647}}^1$

素因数の和:12717

約数の個数: 24

約数和(自身を含む): 42497280

約数和(自身を除く): 21604436

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1652, 12647, 25294, 50588, 88529, 177058, 354116, 746173, 1492346, 2984692, 5223211, 10446422, 20892844]

約数ペア:

[(1, 20892844), (2, 10446422), (4, 5223211), (7, 2984692), (14, 1492346), (28, 746173), (59, 354116), (118, 177058), (236, 88529), (413, 50588), (826, 25294), (1652, 12647)]