20528040498

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{241603}}^1$

素因数の和:241656

約数の個数: 72

約数和(自身を含む): 50733940752

約数和(自身を除く): 30205900254

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 49, 51, 98, 102, 119, 147, 238, 289, 294, 357, 578, 714, 833, 867, 1666, 1734, 2023, 2499, 4046, 4998, 6069, 12138, 14161, 28322, 42483, 84966, 241603, 483206, 724809, 1449618, 1691221, 3382442, 4107251, 5073663, 8214502, 10147326, 11838547, 12321753, 23677094, 24643506, 28750757, 35515641, 57501514, 69823267, 71031282, 86252271, 139646534, 172504542, 201255299, 209469801, 402510598, 418939602, 488762869, 603765897, 977525738, 1207531794, 1466288607, 2932577214, 3421340083, 6842680166, 10264020249, 20528040498]

約数ペア:

[(1, 20528040498), (2, 10264020249), (3, 6842680166), (6, 3421340083), (7, 2932577214), (14, 1466288607), (17, 1207531794), (21, 977525738), (34, 603765897), (42, 488762869), (49, 418939602), (51, 402510598), (98, 209469801), (102, 201255299), (119, 172504542), (147, 139646534), (238, 86252271), (289, 71031282), (294, 69823267), (357, 57501514), (578, 35515641), (714, 28750757), (833, 24643506), (867, 23677094), (1666, 12321753), (1734, 11838547), (2023, 10147326), (2499, 8214502), (4046, 5073663), (4998, 4107251), (6069, 3382442), (12138, 1691221), (14161, 1449618), (28322, 724809), (42483, 483206), (84966, 241603)]