20944395

素因数分解:

$3^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1487}}^1$

素因数の和:1811

約数の個数: 24

約数和(自身を含む): 36444096

約数和(自身を除く): 15499701

約数列:

[1, 3, 5, 9, 15, 45, 313, 939, 1487, 1565, 2817, 4461, 4695, 7435, 13383, 14085, 22305, 66915, 465431, 1396293, 2327155, 4188879, 6981465, 20944395]

約数ペア:

[(1, 20944395), (3, 6981465), (5, 4188879), (9, 2327155), (15, 1396293), (45, 465431), (313, 66915), (939, 22305), (1487, 14085), (1565, 13383), (2817, 7435), (4461, 4695)]