20218014964

素因数分解:

$2^2\times 7^1\times {\mathrm{557}}^1\times {\mathrm{821}}^1\times {\mathrm{1579}}^1$

素因数の和:2968

約数の個数: 48

約数和(自身を含む): 40583652480

約数和(自身を除く): 20365637516

約数列:

[1, 2, 4, 7, 14, 28, 557, 821, 1114, 1579, 1642, 2228, 3158, 3284, 3899, 5747, 6316, 7798, 11053, 11494, 15596, 22106, 22988, 44212, 457297, 879503, 914594, 1296359, 1759006, 1829188, 2592718, 3201079, 3518012, 5185436, 6156521, 6402158, 9074513, 12313042, 12804316, 18149026, 24626084, 36298052, 722071963, 1444143926, 2888287852, 5054503741, 10109007482, 20218014964]

約数ペア:

[(1, 20218014964), (2, 10109007482), (4, 5054503741), (7, 2888287852), (14, 1444143926), (28, 722071963), (557, 36298052), (821, 24626084), (1114, 18149026), (1579, 12804316), (1642, 12313042), (2228, 9074513), (3158, 6402158), (3284, 6156521), (3899, 5185436), (5747, 3518012), (6316, 3201079), (7798, 2592718), (11053, 1829188), (11494, 1759006), (15596, 1296359), (22106, 914594), (22988, 879503), (44212, 457297)]