20723196

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1871}}^1$

素因数の和:1962

約数の個数: 48

約数和(自身を含む): 52835328

約数和(自身を除く): 32112132

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 71, 78, 142, 156, 213, 284, 426, 852, 923, 1846, 1871, 2769, 3692, 3742, 5538, 5613, 7484, 11076, 11226, 22452, 24323, 48646, 72969, 97292, 132841, 145938, 265682, 291876, 398523, 531364, 797046, 1594092, 1726933, 3453866, 5180799, 6907732, 10361598, 20723196]

約数ペア:

[(1, 20723196), (2, 10361598), (3, 6907732), (4, 5180799), (6, 3453866), (12, 1726933), (13, 1594092), (26, 797046), (39, 531364), (52, 398523), (71, 291876), (78, 265682), (142, 145938), (156, 132841), (213, 97292), (284, 72969), (426, 48646), (852, 24323), (923, 22452), (1846, 11226), (1871, 11076), (2769, 7484), (3692, 5613), (3742, 5538)]