20156165

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{3307}}^1$

素因数の和:3388

約数の個数: 16

約数和(自身を含む): 25723008

約数和(自身を除く): 5566843

約数列:

[1, 5, 23, 53, 115, 265, 1219, 3307, 6095, 16535, 76061, 175271, 380305, 876355, 4031233, 20156165]

約数ペア:

[(1, 20156165), (5, 4031233), (23, 876355), (53, 380305), (115, 175271), (265, 76061), (1219, 16535), (3307, 6095)]