20145903676

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{239}}^1\times {\mathrm{345461}}^1$

素因数の和:345765

約数の個数: 24

約数和(自身を含む): 35983321920

約数和(自身を除く): 15837418244

約数列:

[1, 2, 4, 61, 122, 239, 244, 478, 956, 14579, 29158, 58316, 345461, 690922, 1381844, 21073121, 42146242, 82565179, 84292484, 165130358, 330260716, 5036475919, 10072951838, 20145903676]

約数ペア:

[(1, 20145903676), (2, 10072951838), (4, 5036475919), (61, 330260716), (122, 165130358), (239, 84292484), (244, 82565179), (478, 42146242), (956, 21073121), (14579, 1381844), (29158, 690922), (58316, 345461)]