20255690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22259}}^1$

素因数の和:22286

約数の個数: 32

約数和(自身を含む): 44876160

約数和(自身を除く): 24620470

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 22259, 44518, 111295, 155813, 222590, 289367, 311626, 578734, 779065, 1446835, 1558130, 2025569, 2893670, 4051138, 10127845, 20255690]

約数ペア:

[(1, 20255690), (2, 10127845), (5, 4051138), (7, 2893670), (10, 2025569), (13, 1558130), (14, 1446835), (26, 779065), (35, 578734), (65, 311626), (70, 289367), (91, 222590), (130, 155813), (182, 111295), (455, 44518), (910, 22259)]