20165742009

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{439}}^1\times {\mathrm{7079}}^1$

素因数の和:7634

約数の個数: 48

約数和(自身を含む): 33694003200

約数和(自身を除く): 13528261191

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 439, 721, 927, 1317, 2163, 3073, 3951, 6489, 7079, 9219, 21237, 27657, 45217, 49553, 63711, 135651, 148659, 316519, 406953, 445977, 729137, 949557, 2187411, 2848671, 3107681, 5103959, 6562233, 9323043, 15311877, 21753767, 27969129, 45935631, 65261301, 195783903, 320091143, 960273429, 2240638001, 2880820287, 6721914003, 20165742009]

約数ペア:

[(1, 20165742009), (3, 6721914003), (7, 2880820287), (9, 2240638001), (21, 960273429), (63, 320091143), (103, 195783903), (309, 65261301), (439, 45935631), (721, 27969129), (927, 21753767), (1317, 15311877), (2163, 9323043), (3073, 6562233), (3951, 5103959), (6489, 3107681), (7079, 2848671), (9219, 2187411), (21237, 949557), (27657, 729137), (45217, 445977), (49553, 406953), (63711, 316519), (135651, 148659)]