20151616

素因数分解:

$2^6\times {\mathrm{499}}^1\times {\mathrm{631}}^1$

素因数の和:1142

約数の個数: 28

約数和(自身を含む): 40132000

約数和(自身を除く): 19980384

約数列:

[1, 2, 4, 8, 16, 32, 64, 499, 631, 998, 1262, 1996, 2524, 3992, 5048, 7984, 10096, 15968, 20192, 31936, 40384, 314869, 629738, 1259476, 2518952, 5037904, 10075808, 20151616]

約数ペア:

[(1, 20151616), (2, 10075808), (4, 5037904), (8, 2518952), (16, 1259476), (32, 629738), (64, 314869), (499, 40384), (631, 31936), (998, 20192), (1262, 15968), (1996, 10096), (2524, 7984), (3992, 5048)]