20897928

素因数分解:

$2^3\times 3^2\times {\mathrm{290249}}^1$

素因数の和:290261

約数の個数: 24

約数和(自身を含む): 56598750

約数和(自身を除く): 35700822

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 290249, 580498, 870747, 1160996, 1741494, 2321992, 2612241, 3482988, 5224482, 6965976, 10448964, 20897928]

約数ペア:

[(1, 20897928), (2, 10448964), (3, 6965976), (4, 5224482), (6, 3482988), (8, 2612241), (9, 2321992), (12, 1741494), (18, 1160996), (24, 870747), (36, 580498), (72, 290249)]