20369640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{853}}^1$

素因数の和:1066

約数の個数: 64

約数和(自身を含む): 61488000

約数和(自身を除く): 41118360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 199, 398, 597, 796, 853, 995, 1194, 1592, 1706, 1990, 2388, 2559, 2985, 3412, 3980, 4265, 4776, 5118, 5970, 6824, 7960, 8530, 10236, 11940, 12795, 17060, 20472, 23880, 25590, 34120, 51180, 102360, 169747, 339494, 509241, 678988, 848735, 1018482, 1357976, 1697470, 2036964, 2546205, 3394940, 4073928, 5092410, 6789880, 10184820, 20369640]

約数ペア:

[(1, 20369640), (2, 10184820), (3, 6789880), (4, 5092410), (5, 4073928), (6, 3394940), (8, 2546205), (10, 2036964), (12, 1697470), (15, 1357976), (20, 1018482), (24, 848735), (30, 678988), (40, 509241), (60, 339494), (120, 169747), (199, 102360), (398, 51180), (597, 34120), (796, 25590), (853, 23880), (995, 20472), (1194, 17060), (1592, 12795), (1706, 11940), (1990, 10236), (2388, 8530), (2559, 7960), (2985, 6824), (3412, 5970), (3980, 5118), (4265, 4776)]