20892470

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{72043}}^1$

素因数の和:72079

約数の個数: 16

約数和(自身を含む): 38903760

約数和(自身を除く): 18011290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 72043, 144086, 360215, 720430, 2089247, 4178494, 10446235, 20892470]

約数ペア:

[(1, 20892470), (2, 10446235), (5, 4178494), (10, 2089247), (29, 720430), (58, 360215), (145, 144086), (290, 72043)]