153920020

素因数分解:

$2^2\times 5^1\times {\mathrm{2707}}^1\times {\mathrm{2843}}^1$

素因数の和:5559

約数の個数: 24

約数和(自身を含む): 323465184

約数和(自身を除く): 169545164

約数列:

[1, 2, 4, 5, 10, 20, 2707, 2843, 5414, 5686, 10828, 11372, 13535, 14215, 27070, 28430, 54140, 56860, 7696001, 15392002, 30784004, 38480005, 76960010, 153920020]

約数ペア:

[(1, 153920020), (2, 76960010), (4, 38480005), (5, 30784004), (10, 15392002), (20, 7696001), (2707, 56860), (2843, 54140), (5414, 28430), (5686, 27070), (10828, 14215), (11372, 13535)]