20020860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{111227}}^1$

素因数の和:111242

約数の個数: 36

約数和(自身を含む): 60730488

約数和(自身を除く): 40709628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 111227, 222454, 333681, 444908, 556135, 667362, 1001043, 1112270, 1334724, 1668405, 2002086, 2224540, 3336810, 4004172, 5005215, 6673620, 10010430, 20020860]

約数ペア:

[(1, 20020860), (2, 10010430), (3, 6673620), (4, 5005215), (5, 4004172), (6, 3336810), (9, 2224540), (10, 2002086), (12, 1668405), (15, 1334724), (18, 1112270), (20, 1001043), (30, 667362), (36, 556135), (45, 444908), (60, 333681), (90, 222454), (180, 111227)]