20516770

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1301}}^1$

素因数の和:1410

約数の個数: 32

約数和(自身を含む): 39372480

約数和(自身を除く): 18855710

約数列:

[1, 2, 5, 10, 19, 38, 83, 95, 166, 190, 415, 830, 1301, 1577, 2602, 3154, 6505, 7885, 13010, 15770, 24719, 49438, 107983, 123595, 215966, 247190, 539915, 1079830, 2051677, 4103354, 10258385, 20516770]

約数ペア:

[(1, 20516770), (2, 10258385), (5, 4103354), (10, 2051677), (19, 1079830), (38, 539915), (83, 247190), (95, 215966), (166, 123595), (190, 107983), (415, 49438), (830, 24719), (1301, 15770), (1577, 13010), (2602, 7885), (3154, 6505)]