20341370781

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{517079}}^1$

素因数の和:517166

約数の個数: 32

約数和(自身を含む): 31769395200

約数和(自身を除く): 11428024419

約数列:

[1, 3, 9, 27, 31, 47, 93, 141, 279, 423, 837, 1269, 1457, 4371, 13113, 39339, 517079, 1551237, 4653711, 13961133, 16029449, 24302713, 48088347, 72908139, 144265041, 218724417, 432795123, 656173251, 753384103, 2260152309, 6780456927, 20341370781]

約数ペア:

[(1, 20341370781), (3, 6780456927), (9, 2260152309), (27, 753384103), (31, 656173251), (47, 432795123), (93, 218724417), (141, 144265041), (279, 72908139), (423, 48088347), (837, 24302713), (1269, 16029449), (1457, 13961133), (4371, 4653711), (13113, 1551237), (39339, 517079)]