20740816

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{76253}}^1$

素因数の和:76278

約数の個数: 20

約数和(自身を含む): 42549732

約数和(自身を除く): 21808916

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 76253, 152506, 305012, 610024, 1220048, 1296301, 2592602, 5185204, 10370408, 20740816]

約数ペア:

[(1, 20740816), (2, 10370408), (4, 5185204), (8, 2592602), (16, 1296301), (17, 1220048), (34, 610024), (68, 305012), (136, 152506), (272, 76253)]