19936620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10069}}^1$

素因数の和:10095

約数の個数: 72

約数和(自身を含む): 65978640

約数和(自身を除く): 46042020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 10069, 20138, 30207, 40276, 50345, 60414, 90621, 100690, 110759, 120828, 151035, 181242, 201380, 221518, 302070, 332277, 362484, 443036, 453105, 553795, 604140, 664554, 906210, 996831, 1107590, 1329108, 1661385, 1812420, 1993662, 2215180, 3322770, 3987324, 4984155, 6645540, 9968310, 19936620]

約数ペア:

[(1, 19936620), (2, 9968310), (3, 6645540), (4, 4984155), (5, 3987324), (6, 3322770), (9, 2215180), (10, 1993662), (11, 1812420), (12, 1661385), (15, 1329108), (18, 1107590), (20, 996831), (22, 906210), (30, 664554), (33, 604140), (36, 553795), (44, 453105), (45, 443036), (55, 362484), (60, 332277), (66, 302070), (90, 221518), (99, 201380), (110, 181242), (132, 151035), (165, 120828), (180, 110759), (198, 100690), (220, 90621), (330, 60414), (396, 50345), (495, 40276), (660, 30207), (990, 20138), (1980, 10069)]