20046910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 42239232

約数和(自身を除く): 22192322

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 47, 65, 85, 94, 130, 170, 193, 221, 235, 386, 442, 470, 611, 799, 965, 1105, 1222, 1598, 1930, 2210, 2509, 3055, 3281, 3995, 5018, 6110, 6562, 7990, 9071, 10387, 12545, 16405, 18142, 20774, 25090, 32810, 42653, 45355, 51935, 85306, 90710, 103870, 117923, 154207, 213265, 235846, 308414, 426530, 589615, 771035, 1179230, 1542070, 2004691, 4009382, 10023455, 20046910]

約数ペア:

[(1, 20046910), (2, 10023455), (5, 4009382), (10, 2004691), (13, 1542070), (17, 1179230), (26, 771035), (34, 589615), (47, 426530), (65, 308414), (85, 235846), (94, 213265), (130, 154207), (170, 117923), (193, 103870), (221, 90710), (235, 85306), (386, 51935), (442, 45355), (470, 42653), (611, 32810), (799, 25090), (965, 20774), (1105, 18142), (1222, 16405), (1598, 12545), (1930, 10387), (2210, 9071), (2509, 7990), (3055, 6562), (3281, 6110), (3995, 5018)]