20785856890

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{829}}^1\times {\mathrm{37423}}^1$

素因数の和:38326

約数の個数: 32

約数和(自身を含む): 38019790080

約数和(自身を除く): 17233933190

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 829, 1658, 4145, 8290, 37423, 55543, 74846, 111086, 187115, 277715, 374230, 555430, 2507341, 5014682, 12536705, 25073410, 31023667, 62047334, 155118335, 310236670, 2078585689, 4157171378, 10392928445, 20785856890]

約数ペア:

[(1, 20785856890), (2, 10392928445), (5, 4157171378), (10, 2078585689), (67, 310236670), (134, 155118335), (335, 62047334), (670, 31023667), (829, 25073410), (1658, 12536705), (4145, 5014682), (8290, 2507341), (37423, 555430), (55543, 374230), (74846, 277715), (111086, 187115)]