20177992905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{3391}}^1\times {\mathrm{56671}}^1$

素因数の和:60077

約数の個数: 32

約数和(自身を含む): 36908433408

約数和(自身を除く): 16730440503

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 3391, 10173, 16955, 23737, 50865, 56671, 71211, 118685, 170013, 283355, 356055, 396697, 850065, 1190091, 1983485, 5950455, 192171361, 576514083, 960856805, 1345199527, 2882570415, 4035598581, 6725997635, 20177992905]

約数ペア:

[(1, 20177992905), (3, 6725997635), (5, 4035598581), (7, 2882570415), (15, 1345199527), (21, 960856805), (35, 576514083), (105, 192171361), (3391, 5950455), (10173, 1983485), (16955, 1190091), (23737, 850065), (50865, 396697), (56671, 356055), (71211, 283355), (118685, 170013)]