20976751105

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{18131}}^1$

素因数の和:18345

約数の個数: 32

約数和(自身を含む): 26632281600

約数和(自身を除く): 5655530495

約数列:

[1, 5, 29, 79, 101, 145, 395, 505, 2291, 2929, 7979, 11455, 14645, 18131, 39895, 90655, 231391, 525799, 1156955, 1432349, 1831231, 2628995, 7161745, 9156155, 41538121, 53105699, 144667249, 207690605, 265528495, 723336245, 4195350221, 20976751105]

約数ペア:

[(1, 20976751105), (5, 4195350221), (29, 723336245), (79, 265528495), (101, 207690605), (145, 144667249), (395, 53105699), (505, 41538121), (2291, 9156155), (2929, 7161745), (7979, 2628995), (11455, 1831231), (14645, 1432349), (18131, 1156955), (39895, 525799), (90655, 231391)]