20187923049

素因数分解:

$3^2\times 7^1\times {\mathrm{307}}^1\times {\mathrm{701}}^1\times {\mathrm{1489}}^1$

素因数の和:2510

約数の個数: 48

約数和(自身を含む): 33504831360

約数和(自身を除く): 13316908311

約数列:

[1, 3, 7, 9, 21, 63, 307, 701, 921, 1489, 2103, 2149, 2763, 4467, 4907, 6309, 6447, 10423, 13401, 14721, 19341, 31269, 44163, 93807, 215207, 457123, 645621, 1043789, 1371369, 1506449, 1936863, 3131367, 3199861, 4114107, 4519347, 7306523, 9394101, 9599583, 13558041, 21919569, 28798749, 65758707, 320443223, 961329669, 2243102561, 2883989007, 6729307683, 20187923049]

約数ペア:

[(1, 20187923049), (3, 6729307683), (7, 2883989007), (9, 2243102561), (21, 961329669), (63, 320443223), (307, 65758707), (701, 28798749), (921, 21919569), (1489, 13558041), (2103, 9599583), (2149, 9394101), (2763, 7306523), (4467, 4519347), (4907, 4114107), (6309, 3199861), (6447, 3131367), (10423, 1936863), (13401, 1506449), (14721, 1371369), (19341, 1043789), (31269, 645621), (44163, 457123), (93807, 215207)]