20328236487

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{581089}}^1$

素因数の和:581144

約数の個数: 36

約数和(自身を含む): 33177914640

約数和(自身を除く): 12849678153

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 169, 207, 299, 507, 897, 1521, 2691, 3887, 11661, 34983, 581089, 1743267, 5229801, 7554157, 13365047, 22662471, 40095141, 67987413, 98204041, 120285423, 173745611, 294612123, 521236833, 883836369, 1563710499, 2258692943, 6776078829, 20328236487]

約数ペア:

[(1, 20328236487), (3, 6776078829), (9, 2258692943), (13, 1563710499), (23, 883836369), (39, 521236833), (69, 294612123), (117, 173745611), (169, 120285423), (207, 98204041), (299, 67987413), (507, 40095141), (897, 22662471), (1521, 13365047), (2691, 7554157), (3887, 5229801), (11661, 1743267), (34983, 581089)]