20640096

素因数分解:

$2^5\times 3^4\times {\mathrm{7963}}^1$

素因数の和:7985

約数の個数: 60

約数和(自身を含む): 60709572

約数和(自身を除く): 40069476

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 216, 288, 324, 432, 648, 864, 1296, 2592, 7963, 15926, 23889, 31852, 47778, 63704, 71667, 95556, 127408, 143334, 191112, 215001, 254816, 286668, 382224, 430002, 573336, 645003, 764448, 860004, 1146672, 1290006, 1720008, 2293344, 2580012, 3440016, 5160024, 6880032, 10320048, 20640096]

約数ペア:

[(1, 20640096), (2, 10320048), (3, 6880032), (4, 5160024), (6, 3440016), (8, 2580012), (9, 2293344), (12, 1720008), (16, 1290006), (18, 1146672), (24, 860004), (27, 764448), (32, 645003), (36, 573336), (48, 430002), (54, 382224), (72, 286668), (81, 254816), (96, 215001), (108, 191112), (144, 143334), (162, 127408), (216, 95556), (288, 71667), (324, 63704), (432, 47778), (648, 31852), (864, 23889), (1296, 15926), (2592, 7963)]