20189636844

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{944677}}^1$

素因数の和:944834

約数の個数: 48

約数和(自身を含む): 51103301088

約数和(自身を除く): 30913664244

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 137, 156, 274, 411, 548, 822, 1644, 1781, 3562, 5343, 7124, 10686, 21372, 944677, 1889354, 2834031, 3778708, 5668062, 11336124, 12280801, 24561602, 36842403, 49123204, 73684806, 129420749, 147369612, 258841498, 388262247, 517682996, 776524494, 1553048988, 1682469737, 3364939474, 5047409211, 6729878948, 10094818422, 20189636844]

約数ペア:

[(1, 20189636844), (2, 10094818422), (3, 6729878948), (4, 5047409211), (6, 3364939474), (12, 1682469737), (13, 1553048988), (26, 776524494), (39, 517682996), (52, 388262247), (78, 258841498), (137, 147369612), (156, 129420749), (274, 73684806), (411, 49123204), (548, 36842403), (822, 24561602), (1644, 12280801), (1781, 11336124), (3562, 5668062), (5343, 3778708), (7124, 2834031), (10686, 1889354), (21372, 944677)]