20057544801

素因数分解:

$3^2\times 7^3\times {\mathrm{71}}^1\times {\mathrm{91513}}^1$

素因数の和:91611

約数の個数: 48

約数和(自身を含む): 34262841600

約数和(自身を除く): 14205296799

約数列:

[1, 3, 7, 9, 21, 49, 63, 71, 147, 213, 343, 441, 497, 639, 1029, 1491, 3087, 3479, 4473, 10437, 24353, 31311, 73059, 91513, 219177, 274539, 640591, 823617, 1921773, 4484137, 5765319, 6497423, 13452411, 19492269, 31388959, 40357233, 45481961, 58476807, 94166877, 136445883, 282500631, 318373727, 409337649, 955121181, 2228616089, 2865363543, 6685848267, 20057544801]

約数ペア:

[(1, 20057544801), (3, 6685848267), (7, 2865363543), (9, 2228616089), (21, 955121181), (49, 409337649), (63, 318373727), (71, 282500631), (147, 136445883), (213, 94166877), (343, 58476807), (441, 45481961), (497, 40357233), (639, 31388959), (1029, 19492269), (1491, 13452411), (3087, 6497423), (3479, 5765319), (4473, 4484137), (10437, 1921773), (24353, 823617), (31311, 640591), (73059, 274539), (91513, 219177)]