20129510023

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{31477}}^1$

素因数の和:31943

約数の個数: 24

約数和(自身を含む): 24229497984

約数和(自身を除く): 4099987961

約数列:

[1, 7, 31, 49, 217, 421, 1519, 2947, 13051, 20629, 31477, 91357, 220339, 639499, 975787, 1542373, 6830509, 13251817, 47813563, 92762719, 410806327, 649339033, 2875644289, 20129510023]

約数ペア:

[(1, 20129510023), (7, 2875644289), (31, 649339033), (49, 410806327), (217, 92762719), (421, 47813563), (1519, 13251817), (2947, 6830509), (13051, 1542373), (20629, 975787), (31477, 639499), (91357, 220339)]