20429996968

素因数分解:

$2^3\times {\mathrm{727}}^1\times {\mathrm{1759}}^1\times {\mathrm{1997}}^1$

素因数の和:4489

約数の個数: 32

約数和(自身を含む): 38399961600

約数和(自身を除く): 17969964632

約数列:

[1, 2, 4, 8, 727, 1454, 1759, 1997, 2908, 3518, 3994, 5816, 7036, 7988, 14072, 15976, 1278793, 1451819, 2557586, 2903638, 3512723, 5115172, 5807276, 7025446, 10230344, 11614552, 14050892, 28101784, 2553749621, 5107499242, 10214998484, 20429996968]

約数ペア:

[(1, 20429996968), (2, 10214998484), (4, 5107499242), (8, 2553749621), (727, 28101784), (1454, 14050892), (1759, 11614552), (1997, 10230344), (2908, 7025446), (3518, 5807276), (3994, 5115172), (5816, 3512723), (7036, 2903638), (7988, 2557586), (14072, 1451819), (15976, 1278793)]