20138148

素因数分解:

$2^2\times 3^2\times {\mathrm{103}}^1\times {\mathrm{5431}}^1$

素因数の和:5544

約数の個数: 36

約数和(自身を含む): 51408448

約数和(自身を除く): 31270300

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 103, 206, 309, 412, 618, 927, 1236, 1854, 3708, 5431, 10862, 16293, 21724, 32586, 48879, 65172, 97758, 195516, 559393, 1118786, 1678179, 2237572, 3356358, 5034537, 6712716, 10069074, 20138148]

約数ペア:

[(1, 20138148), (2, 10069074), (3, 6712716), (4, 5034537), (6, 3356358), (9, 2237572), (12, 1678179), (18, 1118786), (36, 559393), (103, 195516), (206, 97758), (309, 65172), (412, 48879), (618, 32586), (927, 21724), (1236, 16293), (1854, 10862), (3708, 5431)]