20115030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51577}}^1$

素因数の和:51600

約数の個数: 32

約数和(自身を含む): 51990624

約数和(自身を除く): 31875594

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 51577, 103154, 154731, 257885, 309462, 515770, 670501, 773655, 1341002, 1547310, 2011503, 3352505, 4023006, 6705010, 10057515, 20115030]

約数ペア:

[(1, 20115030), (2, 10057515), (3, 6705010), (5, 4023006), (6, 3352505), (10, 2011503), (13, 1547310), (15, 1341002), (26, 773655), (30, 670501), (39, 515770), (65, 309462), (78, 257885), (130, 154731), (195, 103154), (390, 51577)]