20466495

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1511}}^1$

素因数の和:1572

約数の個数: 48

約数和(自身を含む): 41513472

約数和(自身を除く): 21046977

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 43, 45, 63, 105, 129, 215, 301, 315, 387, 645, 903, 1505, 1511, 1935, 2709, 4515, 4533, 7555, 10577, 13545, 13599, 22665, 31731, 52885, 64973, 67995, 95193, 158655, 194919, 324865, 454811, 475965, 584757, 974595, 1364433, 2274055, 2923785, 4093299, 6822165, 20466495]

約数ペア:

[(1, 20466495), (3, 6822165), (5, 4093299), (7, 2923785), (9, 2274055), (15, 1364433), (21, 974595), (35, 584757), (43, 475965), (45, 454811), (63, 324865), (105, 194919), (129, 158655), (215, 95193), (301, 67995), (315, 64973), (387, 52885), (645, 31731), (903, 22665), (1505, 13599), (1511, 13545), (1935, 10577), (2709, 7555), (4515, 4533)]