20964296

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1289}}^1$

素因数の和:1421

約数の個数: 32

約数和(自身を含む): 41796000

約数和(自身を除く): 20831704

約数列:

[1, 2, 4, 8, 19, 38, 76, 107, 152, 214, 428, 856, 1289, 2033, 2578, 4066, 5156, 8132, 10312, 16264, 24491, 48982, 97964, 137923, 195928, 275846, 551692, 1103384, 2620537, 5241074, 10482148, 20964296]

約数ペア:

[(1, 20964296), (2, 10482148), (4, 5241074), (8, 2620537), (19, 1103384), (38, 551692), (76, 275846), (107, 195928), (152, 137923), (214, 97964), (428, 48982), (856, 24491), (1289, 16264), (2033, 10312), (2578, 8132), (4066, 5156)]