20165004016

素因数分解:

$2^4\times {\mathrm{2801}}^1\times {\mathrm{449951}}^1$

素因数の和:452760

約数の個数: 20

約数和(自身を含む): 39083730624

約数和(自身を除く): 18918726608

約数列:

[1, 2, 4, 8, 16, 2801, 5602, 11204, 22408, 44816, 449951, 899902, 1799804, 3599608, 7199216, 1260312751, 2520625502, 5041251004, 10082502008, 20165004016]

約数ペア:

[(1, 20165004016), (2, 10082502008), (4, 5041251004), (8, 2520625502), (16, 1260312751), (2801, 7199216), (5602, 3599608), (11204, 1799804), (22408, 899902), (44816, 449951)]