20835010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12941}}^1$

素因数の和:12978

約数の個数: 32

約数和(自身を含む): 44727552

約数和(自身を除く): 23892542

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 12941, 25882, 64705, 90587, 129410, 181174, 297643, 452935, 595286, 905870, 1488215, 2083501, 2976430, 4167002, 10417505, 20835010]

約数ペア:

[(1, 20835010), (2, 10417505), (5, 4167002), (7, 2976430), (10, 2083501), (14, 1488215), (23, 905870), (35, 595286), (46, 452935), (70, 297643), (115, 181174), (161, 129410), (230, 90587), (322, 64705), (805, 25882), (1610, 12941)]