20139720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7297}}^1$

素因数の和:7334

約数の個数: 64

約数和(自身を含む): 63054720

約数和(自身を除く): 42915000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 7297, 14594, 21891, 29188, 36485, 43782, 58376, 72970, 87564, 109455, 145940, 167831, 175128, 218910, 291880, 335662, 437820, 503493, 671324, 839155, 875640, 1006986, 1342648, 1678310, 2013972, 2517465, 3356620, 4027944, 5034930, 6713240, 10069860, 20139720]

約数ペア:

[(1, 20139720), (2, 10069860), (3, 6713240), (4, 5034930), (5, 4027944), (6, 3356620), (8, 2517465), (10, 2013972), (12, 1678310), (15, 1342648), (20, 1006986), (23, 875640), (24, 839155), (30, 671324), (40, 503493), (46, 437820), (60, 335662), (69, 291880), (92, 218910), (115, 175128), (120, 167831), (138, 145940), (184, 109455), (230, 87564), (276, 72970), (345, 58376), (460, 43782), (552, 36485), (690, 29188), (920, 21891), (1380, 14594), (2760, 7297)]