20244516

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 48686400

約数和(自身を除く): 28441884

約数列:

[1, 2, 3, 4, 6, 12, 53, 106, 139, 159, 212, 229, 278, 318, 417, 458, 556, 636, 687, 834, 916, 1374, 1668, 2748, 7367, 12137, 14734, 22101, 24274, 29468, 31831, 36411, 44202, 48548, 63662, 72822, 88404, 95493, 127324, 145644, 190986, 381972, 1687043, 3374086, 5061129, 6748172, 10122258, 20244516]

約数ペア:

[(1, 20244516), (2, 10122258), (3, 6748172), (4, 5061129), (6, 3374086), (12, 1687043), (53, 381972), (106, 190986), (139, 145644), (159, 127324), (212, 95493), (229, 88404), (278, 72822), (318, 63662), (417, 48548), (458, 44202), (556, 36411), (636, 31831), (687, 29468), (834, 24274), (916, 22101), (1374, 14734), (1668, 12137), (2748, 7367)]