20445386

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{401}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 34645968

約数和(自身を除く): 14200582

約数列:

[1, 2, 13, 26, 37, 53, 74, 106, 401, 481, 689, 802, 962, 1378, 1961, 3922, 5213, 10426, 14837, 21253, 25493, 29674, 42506, 50986, 192881, 276289, 385762, 552578, 786361, 1572722, 10222693, 20445386]

約数ペア:

[(1, 20445386), (2, 10222693), (13, 1572722), (26, 786361), (37, 552578), (53, 385762), (74, 276289), (106, 192881), (401, 50986), (481, 42506), (689, 29674), (802, 25493), (962, 21253), (1378, 14837), (1961, 10426), (3922, 5213)]