20792357215

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{335821}}^1$

素因数の和:335923

約数の個数: 32

約数和(自身を含む): 29982188160

約数和(自身を除く): 9189830945

約数列:

[1, 5, 7, 29, 35, 61, 145, 203, 305, 427, 1015, 1769, 2135, 8845, 12383, 61915, 335821, 1679105, 2350747, 9738809, 11753735, 20485081, 48694045, 68171663, 102425405, 143395567, 340858315, 594067349, 716977835, 2970336745, 4158471443, 20792357215]

約数ペア:

[(1, 20792357215), (5, 4158471443), (7, 2970336745), (29, 716977835), (35, 594067349), (61, 340858315), (145, 143395567), (203, 102425405), (305, 68171663), (427, 48694045), (1015, 20485081), (1769, 11753735), (2135, 9738809), (8845, 2350747), (12383, 1679105), (61915, 335821)]