20155365

素因数分解:

$3^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{863}}^1$

素因数の和:1050

約数の個数: 32

約数和(自身を含む): 36080640

約数和(自身を除く): 15925275

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 173, 519, 863, 865, 1557, 2589, 2595, 4315, 4671, 7767, 7785, 12945, 23301, 23355, 38835, 116505, 149299, 447897, 746495, 1343691, 2239485, 4031073, 6718455, 20155365]

約数ペア:

[(1, 20155365), (3, 6718455), (5, 4031073), (9, 2239485), (15, 1343691), (27, 746495), (45, 447897), (135, 149299), (173, 116505), (519, 38835), (863, 23355), (865, 23301), (1557, 12945), (2589, 7785), (2595, 7767), (4315, 4671)]