20102012

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{23159}}^1$

素因数の和:23201

約数の個数: 24

約数和(自身を含む): 41502720

約数和(自身を除く): 21400708

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 23159, 46318, 92636, 162113, 324226, 648452, 717929, 1435858, 2871716, 5025503, 10051006, 20102012]

約数ペア:

[(1, 20102012), (2, 10051006), (4, 5025503), (7, 2871716), (14, 1435858), (28, 717929), (31, 648452), (62, 324226), (124, 162113), (217, 92636), (434, 46318), (868, 23159)]