20112645

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 39223296

約数和(自身を除く): 19110651

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 37, 93, 105, 111, 155, 167, 185, 217, 259, 465, 501, 555, 651, 777, 835, 1085, 1147, 1169, 1295, 2505, 3255, 3441, 3507, 3885, 5177, 5735, 5845, 6179, 8029, 15531, 17205, 17535, 18537, 24087, 25885, 30895, 36239, 40145, 43253, 77655, 92685, 108717, 120435, 129759, 181195, 191549, 216265, 543585, 574647, 648795, 957745, 1340843, 2873235, 4022529, 6704215, 20112645]

約数ペア:

[(1, 20112645), (3, 6704215), (5, 4022529), (7, 2873235), (15, 1340843), (21, 957745), (31, 648795), (35, 574647), (37, 543585), (93, 216265), (105, 191549), (111, 181195), (155, 129759), (167, 120435), (185, 108717), (217, 92685), (259, 77655), (465, 43253), (501, 40145), (555, 36239), (651, 30895), (777, 25885), (835, 24087), (1085, 18537), (1147, 17535), (1169, 17205), (1295, 15531), (2505, 8029), (3255, 6179), (3441, 5845), (3507, 5735), (3885, 5177)]