20961135

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35831}}^1$

素因数の和:35855

約数の個数: 24

約数和(自身を含む): 39128544

約数和(自身を除く): 18167409

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 35831, 107493, 179155, 322479, 465803, 537465, 1397409, 1612395, 2329015, 4192227, 6987045, 20961135]

約数ペア:

[(1, 20961135), (3, 6987045), (5, 4192227), (9, 2329015), (13, 1612395), (15, 1397409), (39, 537465), (45, 465803), (65, 322479), (117, 179155), (195, 107493), (585, 35831)]