20908926

素因数分解:

$2^1\times 3^2\times {\mathrm{223}}^1\times {\mathrm{5209}}^1$

素因数の和:5440

約数の個数: 24

約数和(自身を含む): 45514560

約数和(自身を除く): 24605634

約数列:

[1, 2, 3, 6, 9, 18, 223, 446, 669, 1338, 2007, 4014, 5209, 10418, 15627, 31254, 46881, 93762, 1161607, 2323214, 3484821, 6969642, 10454463, 20908926]

約数ペア:

[(1, 20908926), (2, 10454463), (3, 6969642), (6, 3484821), (9, 2323214), (18, 1161607), (223, 93762), (446, 46881), (669, 31254), (1338, 15627), (2007, 10418), (4014, 5209)]