20026986

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{4007}}^1$

素因数の和:4043

約数の個数: 48

約数和(自身を含む): 49346496

約数和(自身を除く): 29319510

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 49, 51, 98, 102, 119, 147, 238, 294, 357, 714, 833, 1666, 2499, 4007, 4998, 8014, 12021, 24042, 28049, 56098, 68119, 84147, 136238, 168294, 196343, 204357, 392686, 408714, 476833, 589029, 953666, 1178058, 1430499, 2860998, 3337831, 6675662, 10013493, 20026986]

約数ペア:

[(1, 20026986), (2, 10013493), (3, 6675662), (6, 3337831), (7, 2860998), (14, 1430499), (17, 1178058), (21, 953666), (34, 589029), (42, 476833), (49, 408714), (51, 392686), (98, 204357), (102, 196343), (119, 168294), (147, 136238), (238, 84147), (294, 68119), (357, 56098), (714, 28049), (833, 24042), (1666, 12021), (2499, 8014), (4007, 4998)]