20138235

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1693}}^1$

素因数の和:1775

約数の個数: 32

約数和(自身を含む): 35289408

約数和(自身を除く): 15151173

約数列:

[1, 3, 5, 13, 15, 39, 61, 65, 183, 195, 305, 793, 915, 1693, 2379, 3965, 5079, 8465, 11895, 22009, 25395, 66027, 103273, 110045, 309819, 330135, 516365, 1342549, 1549095, 4027647, 6712745, 20138235]

約数ペア:

[(1, 20138235), (3, 6712745), (5, 4027647), (13, 1549095), (15, 1342549), (39, 516365), (61, 330135), (65, 309819), (183, 110045), (195, 103273), (305, 66027), (793, 25395), (915, 22009), (1693, 11895), (2379, 8465), (3965, 5079)]