20039640010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{486281}}^1$

素因数の和:486618

約数の個数: 32

約数和(自身を含む): 38968694352

約数和(自身を除く): 18929054342

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 317, 634, 1585, 3170, 4121, 8242, 20605, 41210, 486281, 972562, 2431405, 4862810, 6321653, 12643306, 31608265, 63216530, 154151077, 308302154, 770755385, 1541510770, 2003964001, 4007928002, 10019820005, 20039640010]

約数ペア:

[(1, 20039640010), (2, 10019820005), (5, 4007928002), (10, 2003964001), (13, 1541510770), (26, 770755385), (65, 308302154), (130, 154151077), (317, 63216530), (634, 31608265), (1585, 12643306), (3170, 6321653), (4121, 4862810), (8242, 2431405), (20605, 972562), (41210, 486281)]