20807009535

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1433}}^1\times {\mathrm{3919}}^1$

素因数の和:5392

約数の個数: 64

約数和(自身を含む): 37775001600

約数和(自身を除く): 16967992065

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 1433, 3705, 3919, 4299, 7165, 11757, 18629, 19595, 21495, 27227, 50947, 55887, 58785, 74461, 81681, 93145, 136135, 152841, 223383, 254735, 279435, 353951, 372305, 408405, 764205, 967993, 1061853, 1116915, 1769755, 2903979, 4839965, 5309265, 5615927, 14519895, 16847781, 28079635, 73007051, 84238905, 106702613, 219021153, 320107839, 365035255, 533513065, 1095105765, 1387133969, 1600539195, 4161401907, 6935669845, 20807009535]

約数ペア:

[(1, 20807009535), (3, 6935669845), (5, 4161401907), (13, 1600539195), (15, 1387133969), (19, 1095105765), (39, 533513065), (57, 365035255), (65, 320107839), (95, 219021153), (195, 106702613), (247, 84238905), (285, 73007051), (741, 28079635), (1235, 16847781), (1433, 14519895), (3705, 5615927), (3919, 5309265), (4299, 4839965), (7165, 2903979), (11757, 1769755), (18629, 1116915), (19595, 1061853), (21495, 967993), (27227, 764205), (50947, 408405), (55887, 372305), (58785, 353951), (74461, 279435), (81681, 254735), (93145, 223383), (136135, 152841)]