20810170

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{523}}^1$

素因数の和:726

約数の個数: 32

約数和(自身を含む): 39388032

約数和(自身を除く): 18577862

約数列:

[1, 2, 5, 10, 23, 46, 115, 173, 230, 346, 523, 865, 1046, 1730, 2615, 3979, 5230, 7958, 12029, 19895, 24058, 39790, 60145, 90479, 120290, 180958, 452395, 904790, 2081017, 4162034, 10405085, 20810170]

約数ペア:

[(1, 20810170), (2, 10405085), (5, 4162034), (10, 2081017), (23, 904790), (46, 452395), (115, 180958), (173, 120290), (230, 90479), (346, 60145), (523, 39790), (865, 24058), (1046, 19895), (1730, 12029), (2615, 7958), (3979, 5230)]