20399664

素因数分解:

$2^4\times 3^1\times {\mathrm{113}}^1\times {\mathrm{3761}}^1$

素因数の和:3885

約数の個数: 40

約数和(自身を含む): 53179632

約数和(自身を除く): 32779968

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 113, 226, 339, 452, 678, 904, 1356, 1808, 2712, 3761, 5424, 7522, 11283, 15044, 22566, 30088, 45132, 60176, 90264, 180528, 424993, 849986, 1274979, 1699972, 2549958, 3399944, 5099916, 6799888, 10199832, 20399664]

約数ペア:

[(1, 20399664), (2, 10199832), (3, 6799888), (4, 5099916), (6, 3399944), (8, 2549958), (12, 1699972), (16, 1274979), (24, 849986), (48, 424993), (113, 180528), (226, 90264), (339, 60176), (452, 45132), (678, 30088), (904, 22566), (1356, 15044), (1808, 11283), (2712, 7522), (3761, 5424)]