20508711530

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{56543}}^1$

素因数の和:56675

約数の個数: 64

約数和(自身を含む): 41037373440

約数和(自身を除く): 20528661910

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 83, 95, 115, 166, 190, 230, 415, 437, 830, 874, 1577, 1909, 2185, 3154, 3818, 4370, 7885, 9545, 15770, 19090, 36271, 56543, 72542, 113086, 181355, 282715, 362710, 565430, 1074317, 1300489, 2148634, 2600978, 4693069, 5371585, 6502445, 9386138, 10743170, 13004890, 23465345, 24709291, 46930690, 49418582, 89168311, 107940587, 123546455, 178336622, 215881174, 247092910, 445841555, 539702935, 891683110, 1079405870, 2050871153, 4101742306, 10254355765, 20508711530]

約数ペア:

[(1, 20508711530), (2, 10254355765), (5, 4101742306), (10, 2050871153), (19, 1079405870), (23, 891683110), (38, 539702935), (46, 445841555), (83, 247092910), (95, 215881174), (115, 178336622), (166, 123546455), (190, 107940587), (230, 89168311), (415, 49418582), (437, 46930690), (830, 24709291), (874, 23465345), (1577, 13004890), (1909, 10743170), (2185, 9386138), (3154, 6502445), (3818, 5371585), (4370, 4693069), (7885, 2600978), (9545, 2148634), (15770, 1300489), (19090, 1074317), (36271, 565430), (56543, 362710), (72542, 282715), (113086, 181355)]