20123961123

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{295129}}^1$

素因数の和:295347

約数の個数: 32

約数和(自身を含む): 32639016960

約数和(自身を除く): 12515055837

約数列:

[1, 3, 7, 17, 21, 51, 119, 191, 357, 573, 1337, 3247, 4011, 9741, 22729, 68187, 295129, 885387, 2065903, 5017193, 6197709, 15051579, 35120351, 56369639, 105361053, 169108917, 394587473, 958283863, 1183762419, 2874851589, 6707987041, 20123961123]

約数ペア:

[(1, 20123961123), (3, 6707987041), (7, 2874851589), (17, 1183762419), (21, 958283863), (51, 394587473), (119, 169108917), (191, 105361053), (357, 56369639), (573, 35120351), (1337, 15051579), (3247, 6197709), (4011, 5017193), (9741, 2065903), (22729, 885387), (68187, 295129)]