20791738150

素因数分解:

$2^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{44651}}^1$

素因数の和:44869

約数の個数: 48

約数和(自身を含む): 39533094720

約数和(自身を除く): 18741356570

約数列:

[1, 2, 5, 10, 25, 50, 67, 134, 139, 278, 335, 670, 695, 1390, 1675, 3350, 3475, 6950, 9313, 18626, 44651, 46565, 89302, 93130, 223255, 232825, 446510, 465650, 1116275, 2232550, 2991617, 5983234, 6206489, 12412978, 14958085, 29916170, 31032445, 62064890, 74790425, 149580850, 155162225, 310324450, 415834763, 831669526, 2079173815, 4158347630, 10395869075, 20791738150]

約数ペア:

[(1, 20791738150), (2, 10395869075), (5, 4158347630), (10, 2079173815), (25, 831669526), (50, 415834763), (67, 310324450), (134, 155162225), (139, 149580850), (278, 74790425), (335, 62064890), (670, 31032445), (695, 29916170), (1390, 14958085), (1675, 12412978), (3350, 6206489), (3475, 5983234), (6950, 2991617), (9313, 2232550), (18626, 1116275), (44651, 465650), (46565, 446510), (89302, 232825), (93130, 223255)]