20179016

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{569}}^1$

素因数の和:630

約数の個数: 64

約数和(自身を含む): 45964800

約数和(自身を除く): 25785784

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 31, 44, 52, 62, 88, 104, 124, 143, 248, 286, 341, 403, 569, 572, 682, 806, 1138, 1144, 1364, 1612, 2276, 2728, 3224, 4433, 4552, 6259, 7397, 8866, 12518, 14794, 17639, 17732, 25036, 29588, 35278, 35464, 50072, 59176, 70556, 81367, 141112, 162734, 194029, 229307, 325468, 388058, 458614, 650936, 776116, 917228, 1552232, 1834456, 2522377, 5044754, 10089508, 20179016]

約数ペア:

[(1, 20179016), (2, 10089508), (4, 5044754), (8, 2522377), (11, 1834456), (13, 1552232), (22, 917228), (26, 776116), (31, 650936), (44, 458614), (52, 388058), (62, 325468), (88, 229307), (104, 194029), (124, 162734), (143, 141112), (248, 81367), (286, 70556), (341, 59176), (403, 50072), (569, 35464), (572, 35278), (682, 29588), (806, 25036), (1138, 17732), (1144, 17639), (1364, 14794), (1612, 12518), (2276, 8866), (2728, 7397), (3224, 6259), (4433, 4552)]