20804513481

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{941}}^1\times {\mathrm{52267}}^1$

素因数の和:53261

約数の個数: 24

約数和(自身を含む): 30723548544

約数和(自身を除く): 9919035063

約数列:

[1, 3, 9, 47, 141, 423, 941, 2823, 8469, 44227, 52267, 132681, 156801, 398043, 470403, 2456549, 7369647, 22108941, 49183247, 147549741, 442649223, 2311612609, 6934837827, 20804513481]

約数ペア:

[(1, 20804513481), (3, 6934837827), (9, 2311612609), (47, 442649223), (141, 147549741), (423, 49183247), (941, 22108941), (2823, 7369647), (8469, 2456549), (44227, 470403), (52267, 398043), (132681, 156801)]