20213489739

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1709}}^1\times {\mathrm{3517}}^1$

素因数の和:5307

約数の個数: 32

約数和(自身を含む): 28875744000

約数和(自身を除く): 8662254261

約数列:

[1, 3, 19, 57, 59, 177, 1121, 1709, 3363, 3517, 5127, 10551, 32471, 66823, 97413, 100831, 200469, 207503, 302493, 622509, 1915789, 3942557, 5747367, 6010553, 11827671, 18031659, 114200507, 342601521, 354622627, 1063867881, 6737829913, 20213489739]

約数ペア:

[(1, 20213489739), (3, 6737829913), (19, 1063867881), (57, 354622627), (59, 342601521), (177, 114200507), (1121, 18031659), (1709, 11827671), (3363, 6010553), (3517, 5747367), (5127, 3942557), (10551, 1915789), (32471, 622509), (66823, 302493), (97413, 207503), (100831, 200469)]