20214915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2437}}^1$

素因数の和:2531

約数の個数: 32

約数和(自身を含む): 37447680

約数和(自身を除く): 17232765

約数列:

[1, 3, 5, 7, 15, 21, 35, 79, 105, 237, 395, 553, 1185, 1659, 2437, 2765, 7311, 8295, 12185, 17059, 36555, 51177, 85295, 192523, 255885, 577569, 962615, 1347661, 2887845, 4042983, 6738305, 20214915]

約数ペア:

[(1, 20214915), (3, 6738305), (5, 4042983), (7, 2887845), (15, 1347661), (21, 962615), (35, 577569), (79, 255885), (105, 192523), (237, 85295), (395, 51177), (553, 36555), (1185, 17059), (1659, 12185), (2437, 8295), (2765, 7311)]