20707635

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1031}}^1$

素因数の和:1155

約数の個数: 32

約数和(自身を含む): 36062208

約数和(自身を除く): 15354573

約数列:

[1, 3, 5, 13, 15, 39, 65, 103, 195, 309, 515, 1031, 1339, 1545, 3093, 4017, 5155, 6695, 13403, 15465, 20085, 40209, 67015, 106193, 201045, 318579, 530965, 1380509, 1592895, 4141527, 6902545, 20707635]

約数ペア:

[(1, 20707635), (3, 6902545), (5, 4141527), (13, 1592895), (15, 1380509), (39, 530965), (65, 318579), (103, 201045), (195, 106193), (309, 67015), (515, 40209), (1031, 20085), (1339, 15465), (1545, 13403), (3093, 6695), (4017, 5155)]