20688314104

素因数分解:

$2^3\times {\mathrm{137}}^1\times {\mathrm{2857}}^1\times {\mathrm{6607}}^1$

素因数の和:9607

約数の個数: 32

約数和(自身を含む): 39093324480

約数和(自身を除く): 18405010376

約数列:

[1, 2, 4, 8, 137, 274, 548, 1096, 2857, 5714, 6607, 11428, 13214, 22856, 26428, 52856, 391409, 782818, 905159, 1565636, 1810318, 3131272, 3620636, 7241272, 18876199, 37752398, 75504796, 151009592, 2586039263, 5172078526, 10344157052, 20688314104]

約数ペア:

[(1, 20688314104), (2, 10344157052), (4, 5172078526), (8, 2586039263), (137, 151009592), (274, 75504796), (548, 37752398), (1096, 18876199), (2857, 7241272), (5714, 3620636), (6607, 3131272), (11428, 1810318), (13214, 1565636), (22856, 905159), (26428, 782818), (52856, 391409)]