20565174245

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1627}}^1\times {\mathrm{32831}}^1$

素因数の和:34481

約数の個数: 32

約数和(自身を含む): 30787485696

約数和(自身を除く): 10222311451

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 1627, 8135, 11389, 17897, 32831, 56945, 89485, 125279, 164155, 229817, 361141, 626395, 1149085, 1805705, 2527987, 12639935, 53416037, 267080185, 373912259, 587576407, 1869561295, 2937882035, 4113034849, 20565174245]

約数ペア:

[(1, 20565174245), (5, 4113034849), (7, 2937882035), (11, 1869561295), (35, 587576407), (55, 373912259), (77, 267080185), (385, 53416037), (1627, 12639935), (8135, 2527987), (11389, 1805705), (17897, 1149085), (32831, 626395), (56945, 361141), (89485, 229817), (125279, 164155)]