20180643903

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{46337}}^1$

素因数の和:46604

約数の個数: 48

約数和(自身を含む): 34543681536

約数和(自身を除く): 14363037633

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 223, 279, 651, 669, 1561, 1953, 2007, 4683, 6913, 14049, 20739, 46337, 48391, 62217, 139011, 145173, 324359, 417033, 435519, 973077, 1436447, 2919231, 4309341, 10055129, 10333151, 12928023, 30165387, 30999453, 72332057, 90496161, 92998359, 216996171, 320327681, 650988513, 960983043, 2242293767, 2882949129, 6726881301, 20180643903]

約数ペア:

[(1, 20180643903), (3, 6726881301), (7, 2882949129), (9, 2242293767), (21, 960983043), (31, 650988513), (63, 320327681), (93, 216996171), (217, 92998359), (223, 90496161), (279, 72332057), (651, 30999453), (669, 30165387), (1561, 12928023), (1953, 10333151), (2007, 10055129), (4683, 4309341), (6913, 2919231), (14049, 1436447), (20739, 973077), (46337, 435519), (48391, 417033), (62217, 324359), (139011, 145173)]