20442645

素因数分解:

$3^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{929}}^1$

素因数の和:1106

約数の個数: 32

約数和(自身を含む): 36604800

約数和(自身を除く): 16162155

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 163, 489, 815, 929, 1467, 2445, 2787, 4401, 4645, 7335, 8361, 13935, 22005, 25083, 41805, 125415, 151427, 454281, 757135, 1362843, 2271405, 4088529, 6814215, 20442645]

約数ペア:

[(1, 20442645), (3, 6814215), (5, 4088529), (9, 2271405), (15, 1362843), (27, 757135), (45, 454281), (135, 151427), (163, 125415), (489, 41805), (815, 25083), (929, 22005), (1467, 13935), (2445, 8361), (2787, 7335), (4401, 4645)]