20483784

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{4007}}^1$

素因数の和:4090

約数の個数: 48

約数和(自身を含む): 56272320

約数和(自身を除く): 35788536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 213, 284, 426, 568, 639, 852, 1278, 1704, 2556, 4007, 5112, 8014, 12021, 16028, 24042, 32056, 36063, 48084, 72126, 96168, 144252, 284497, 288504, 568994, 853491, 1137988, 1706982, 2275976, 2560473, 3413964, 5120946, 6827928, 10241892, 20483784]

約数ペア:

[(1, 20483784), (2, 10241892), (3, 6827928), (4, 5120946), (6, 3413964), (8, 2560473), (9, 2275976), (12, 1706982), (18, 1137988), (24, 853491), (36, 568994), (71, 288504), (72, 284497), (142, 144252), (213, 96168), (284, 72126), (426, 48084), (568, 36063), (639, 32056), (852, 24042), (1278, 16028), (1704, 12021), (2556, 8014), (4007, 5112)]