20494968

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:229

約数の個数: 96

約数和(自身を含む): 57623040

約数和(自身を除く): 37128072

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 93, 104, 124, 156, 163, 169, 186, 248, 312, 326, 338, 372, 403, 489, 507, 652, 676, 744, 806, 978, 1014, 1209, 1304, 1352, 1612, 1956, 2028, 2119, 2418, 3224, 3912, 4056, 4238, 4836, 5053, 5239, 6357, 8476, 9672, 10106, 10478, 12714, 15159, 15717, 16952, 20212, 20956, 25428, 27547, 30318, 31434, 40424, 41912, 50856, 55094, 60636, 62868, 65689, 82641, 110188, 121272, 125736, 131378, 165282, 197067, 220376, 262756, 330564, 394134, 525512, 661128, 788268, 853957, 1576536, 1707914, 2561871, 3415828, 5123742, 6831656, 10247484, 20494968]

約数ペア:

[(1, 20494968), (2, 10247484), (3, 6831656), (4, 5123742), (6, 3415828), (8, 2561871), (12, 1707914), (13, 1576536), (24, 853957), (26, 788268), (31, 661128), (39, 525512), (52, 394134), (62, 330564), (78, 262756), (93, 220376), (104, 197067), (124, 165282), (156, 131378), (163, 125736), (169, 121272), (186, 110188), (248, 82641), (312, 65689), (326, 62868), (338, 60636), (372, 55094), (403, 50856), (489, 41912), (507, 40424), (652, 31434), (676, 30318), (744, 27547), (806, 25428), (978, 20956), (1014, 20212), (1209, 16952), (1304, 15717), (1352, 15159), (1612, 12714), (1956, 10478), (2028, 10106), (2119, 9672), (2418, 8476), (3224, 6357), (3912, 5239), (4056, 5053), (4238, 4836)]