20218676555

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1451}}^1\times {\mathrm{2129}}^1$

素因数の和:3620

約数の個数: 64

約数和(自身を含む): 32065735680

約数和(自身を除く): 11847059125

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 385, 595, 935, 1309, 1451, 2129, 6545, 7255, 10157, 10645, 14903, 15961, 23419, 24667, 36193, 50785, 74515, 79805, 111727, 117095, 123335, 163933, 172669, 180965, 253351, 271337, 398123, 558635, 819665, 863345, 1266755, 1356685, 1899359, 1990615, 2786861, 3089179, 9496795, 13934305, 15445895, 21624253, 33980969, 52516043, 108121265, 169904845, 237866783, 262580215, 367612301, 577676473, 1189333915, 1838061505, 2888382365, 4043735311, 20218676555]

約数ペア:

[(1, 20218676555), (5, 4043735311), (7, 2888382365), (11, 1838061505), (17, 1189333915), (35, 577676473), (55, 367612301), (77, 262580215), (85, 237866783), (119, 169904845), (187, 108121265), (385, 52516043), (595, 33980969), (935, 21624253), (1309, 15445895), (1451, 13934305), (2129, 9496795), (6545, 3089179), (7255, 2786861), (10157, 1990615), (10645, 1899359), (14903, 1356685), (15961, 1266755), (23419, 863345), (24667, 819665), (36193, 558635), (50785, 398123), (74515, 271337), (79805, 253351), (111727, 180965), (117095, 172669), (123335, 163933)]