20803755

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{829}}^1$

素因数の和:1083

約数の個数: 32

約数和(自身を含む): 38246400

約数和(自身を除く): 17442645

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 239, 717, 829, 1195, 1673, 2487, 3585, 4145, 5019, 5803, 8365, 12435, 17409, 25095, 29015, 87045, 198131, 594393, 990655, 1386917, 2971965, 4160751, 6934585, 20803755]

約数ペア:

[(1, 20803755), (3, 6934585), (5, 4160751), (7, 2971965), (15, 1386917), (21, 990655), (35, 594393), (105, 198131), (239, 87045), (717, 29015), (829, 25095), (1195, 17409), (1673, 12435), (2487, 8365), (3585, 5803), (4145, 5019)]