20487930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{10193}}^1$

素因数の和:10270

約数の個数: 32

約数和(自身を含む): 49909824

約数和(自身を除く): 29421894

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 201, 335, 402, 670, 1005, 2010, 10193, 20386, 30579, 50965, 61158, 101930, 152895, 305790, 682931, 1365862, 2048793, 3414655, 4097586, 6829310, 10243965, 20487930]

約数ペア:

[(1, 20487930), (2, 10243965), (3, 6829310), (5, 4097586), (6, 3414655), (10, 2048793), (15, 1365862), (30, 682931), (67, 305790), (134, 152895), (201, 101930), (335, 61158), (402, 50965), (670, 30579), (1005, 20386), (2010, 10193)]