20567844580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{581341}}^1$

素因数の和:581440

約数の個数: 48

約数和(自身を含む): 45414437040

約数和(自身を除く): 24846592460

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 61, 116, 122, 145, 244, 290, 305, 580, 610, 1220, 1769, 3538, 7076, 8845, 17690, 35380, 581341, 1162682, 2325364, 2906705, 5813410, 11626820, 16858889, 33717778, 35461801, 67435556, 70923602, 84294445, 141847204, 168588890, 177309005, 337177780, 354618010, 709236020, 1028392229, 2056784458, 4113568916, 5141961145, 10283922290, 20567844580]

約数ペア:

[(1, 20567844580), (2, 10283922290), (4, 5141961145), (5, 4113568916), (10, 2056784458), (20, 1028392229), (29, 709236020), (58, 354618010), (61, 337177780), (116, 177309005), (122, 168588890), (145, 141847204), (244, 84294445), (290, 70923602), (305, 67435556), (580, 35461801), (610, 33717778), (1220, 16858889), (1769, 11626820), (3538, 5813410), (7076, 2906705), (8845, 2325364), (17690, 1162682), (35380, 581341)]