20149535

素因数分解:

$5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:436

約数の個数: 32

約数和(自身を含む): 29184000

約数和(自身を除く): 9034465

約数列:

[1, 5, 7, 31, 35, 49, 155, 217, 245, 343, 379, 1085, 1519, 1715, 1895, 2653, 7595, 10633, 11749, 13265, 18571, 53165, 58745, 82243, 92855, 129997, 411215, 575701, 649985, 2878505, 4029907, 20149535]

約数ペア:

[(1, 20149535), (5, 4029907), (7, 2878505), (31, 649985), (35, 575701), (49, 411215), (155, 129997), (217, 92855), (245, 82243), (343, 58745), (379, 53165), (1085, 18571), (1519, 13265), (1715, 11749), (1895, 10633), (2653, 7595)]