20005670

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1483}}^1$

素因数の和:1580

約数の個数: 32

約数和(自身を含む): 38465280

約数和(自身を除く): 18459610

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 142, 190, 355, 710, 1349, 1483, 2698, 2966, 6745, 7415, 13490, 14830, 28177, 56354, 105293, 140885, 210586, 281770, 526465, 1052930, 2000567, 4001134, 10002835, 20005670]

約数ペア:

[(1, 20005670), (2, 10002835), (5, 4001134), (10, 2000567), (19, 1052930), (38, 526465), (71, 281770), (95, 210586), (142, 140885), (190, 105293), (355, 56354), (710, 28177), (1349, 14830), (1483, 13490), (2698, 7415), (2966, 6745)]