20768684

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{227}}^1\times {\mathrm{257}}^1$

素因数の和:577

約数の個数: 24

約数和(自身を含む): 37059120

約数和(自身を除く): 16290436

約数列:

[1, 2, 4, 89, 178, 227, 257, 356, 454, 514, 908, 1028, 20203, 22873, 40406, 45746, 58339, 80812, 91492, 116678, 233356, 5192171, 10384342, 20768684]

約数ペア:

[(1, 20768684), (2, 10384342), (4, 5192171), (89, 233356), (178, 116678), (227, 91492), (257, 80812), (356, 58339), (454, 45746), (514, 40406), (908, 22873), (1028, 20203)]