20589945

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1613}}^1$

素因数の和:1681

約数の個数: 32

約数和(自身を含む): 35327232

約数和(自身を除く): 14737287

約数列:

[1, 3, 5, 15, 23, 37, 69, 111, 115, 185, 345, 555, 851, 1613, 2553, 4255, 4839, 8065, 12765, 24195, 37099, 59681, 111297, 179043, 185495, 298405, 556485, 895215, 1372663, 4117989, 6863315, 20589945]

約数ペア:

[(1, 20589945), (3, 6863315), (5, 4117989), (15, 1372663), (23, 895215), (37, 556485), (69, 298405), (111, 185495), (115, 179043), (185, 111297), (345, 59681), (555, 37099), (851, 24195), (1613, 12765), (2553, 8065), (4255, 4839)]