20451232

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{751}}^1$

素因数の和:821

約数の個数: 48

約数和(自身を含む): 43206912

約数和(自身を除く): 22755680

約数列:

[1, 2, 4, 8, 16, 23, 32, 37, 46, 74, 92, 148, 184, 296, 368, 592, 736, 751, 851, 1184, 1502, 1702, 3004, 3404, 6008, 6808, 12016, 13616, 17273, 24032, 27232, 27787, 34546, 55574, 69092, 111148, 138184, 222296, 276368, 444592, 552736, 639101, 889184, 1278202, 2556404, 5112808, 10225616, 20451232]

約数ペア:

[(1, 20451232), (2, 10225616), (4, 5112808), (8, 2556404), (16, 1278202), (23, 889184), (32, 639101), (37, 552736), (46, 444592), (74, 276368), (92, 222296), (148, 138184), (184, 111148), (296, 69092), (368, 55574), (592, 34546), (736, 27787), (751, 27232), (851, 24032), (1184, 17273), (1502, 13616), (1702, 12016), (3004, 6808), (3404, 6008)]