20852712

素因数分解:

$2^3\times 3^2\times {\mathrm{509}}^1\times {\mathrm{569}}^1$

素因数の和:1090

約数の個数: 48

約数和(自身を含む): 56686500

約数和(自身を除く): 35833788

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 509, 569, 1018, 1138, 1527, 1707, 2036, 2276, 3054, 3414, 4072, 4552, 4581, 5121, 6108, 6828, 9162, 10242, 12216, 13656, 18324, 20484, 36648, 40968, 289621, 579242, 868863, 1158484, 1737726, 2316968, 2606589, 3475452, 5213178, 6950904, 10426356, 20852712]

約数ペア:

[(1, 20852712), (2, 10426356), (3, 6950904), (4, 5213178), (6, 3475452), (8, 2606589), (9, 2316968), (12, 1737726), (18, 1158484), (24, 868863), (36, 579242), (72, 289621), (509, 40968), (569, 36648), (1018, 20484), (1138, 18324), (1527, 13656), (1707, 12216), (2036, 10242), (2276, 9162), (3054, 6828), (3414, 6108), (4072, 5121), (4552, 4581)]