20996568

素因数分解:

$2^3\times 3^2\times {\mathrm{291619}}^1$

素因数の和:291631

約数の個数: 24

約数和(自身を含む): 56865900

約数和(自身を除く): 35869332

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 291619, 583238, 874857, 1166476, 1749714, 2332952, 2624571, 3499428, 5249142, 6998856, 10498284, 20996568]

約数ペア:

[(1, 20996568), (2, 10498284), (3, 6998856), (4, 5249142), (6, 3499428), (8, 2624571), (9, 2332952), (12, 1749714), (18, 1166476), (24, 874857), (36, 583238), (72, 291619)]