20773272

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{479}}^1$

素因数の和:640

約数の個数: 64

約数和(自身を含む): 56448000

約数和(自身を除く): 35674728

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 139, 156, 278, 312, 417, 479, 556, 834, 958, 1112, 1437, 1668, 1807, 1916, 2874, 3336, 3614, 3832, 5421, 5748, 6227, 7228, 10842, 11496, 12454, 14456, 18681, 21684, 24908, 37362, 43368, 49816, 66581, 74724, 133162, 149448, 199743, 266324, 399486, 532648, 798972, 865553, 1597944, 1731106, 2596659, 3462212, 5193318, 6924424, 10386636, 20773272]

約数ペア:

[(1, 20773272), (2, 10386636), (3, 6924424), (4, 5193318), (6, 3462212), (8, 2596659), (12, 1731106), (13, 1597944), (24, 865553), (26, 798972), (39, 532648), (52, 399486), (78, 266324), (104, 199743), (139, 149448), (156, 133162), (278, 74724), (312, 66581), (417, 49816), (479, 43368), (556, 37362), (834, 24908), (958, 21684), (1112, 18681), (1437, 14456), (1668, 12454), (1807, 11496), (1916, 10842), (2874, 7228), (3336, 6227), (3614, 5748), (3832, 5421)]