20803965

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15241}}^1$

素因数の和:15269

約数の個数: 32

約数和(自身を含む): 40970496

約数和(自身を除く): 20166531

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 15241, 45723, 76205, 106687, 198133, 228615, 320061, 533435, 594399, 990665, 1386931, 1600305, 2971995, 4160793, 6934655, 20803965]

約数ペア:

[(1, 20803965), (3, 6934655), (5, 4160793), (7, 2971995), (13, 1600305), (15, 1386931), (21, 990665), (35, 594399), (39, 533435), (65, 320061), (91, 228615), (105, 198133), (195, 106687), (273, 76205), (455, 45723), (1365, 15241)]