20148948

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{7883}}^1$

素因数の和:7964

約数の個数: 36

約数和(自身を含む): 51655968

約数和(自身を除く): 31507020

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 7883, 15766, 23649, 31532, 47298, 70947, 94596, 141894, 283788, 559693, 1119386, 1679079, 2238772, 3358158, 5037237, 6716316, 10074474, 20148948]

約数ペア:

[(1, 20148948), (2, 10074474), (3, 6716316), (4, 5037237), (6, 3358158), (9, 2238772), (12, 1679079), (18, 1119386), (36, 559693), (71, 283788), (142, 141894), (213, 94596), (284, 70947), (426, 47298), (639, 31532), (852, 23649), (1278, 15766), (2556, 7883)]