20800008

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{9319}}^1$

素因数の和:9362

約数の個数: 48

約数和(自身を含む): 58156800

約数和(自身を除く): 37356792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 124, 186, 248, 279, 372, 558, 744, 1116, 2232, 9319, 18638, 27957, 37276, 55914, 74552, 83871, 111828, 167742, 223656, 288889, 335484, 577778, 670968, 866667, 1155556, 1733334, 2311112, 2600001, 3466668, 5200002, 6933336, 10400004, 20800008]

約数ペア:

[(1, 20800008), (2, 10400004), (3, 6933336), (4, 5200002), (6, 3466668), (8, 2600001), (9, 2311112), (12, 1733334), (18, 1155556), (24, 866667), (31, 670968), (36, 577778), (62, 335484), (72, 288889), (93, 223656), (124, 167742), (186, 111828), (248, 83871), (279, 74552), (372, 55914), (558, 37276), (744, 27957), (1116, 18638), (2232, 9319)]