20344950190

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1153}}^1\times {\mathrm{11239}}^1$

素因数の和:12556

約数の個数: 32

約数和(自身を含む): 36889410240

約数和(自身を除く): 16544460050

約数列:

[1, 2, 5, 10, 157, 314, 785, 1153, 1570, 2306, 5765, 11239, 11530, 22478, 56195, 112390, 181021, 362042, 905105, 1764523, 1810210, 3529046, 8822615, 12958567, 17645230, 25917134, 64792835, 129585670, 2034495019, 4068990038, 10172475095, 20344950190]

約数ペア:

[(1, 20344950190), (2, 10172475095), (5, 4068990038), (10, 2034495019), (157, 129585670), (314, 64792835), (785, 25917134), (1153, 17645230), (1570, 12958567), (2306, 8822615), (5765, 3529046), (11239, 1810210), (11530, 1764523), (22478, 905105), (56195, 362042), (112390, 181021)]