20143876

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{1109}}^1$

素因数の和:1371

約数の個数: 24

約数和(自身を含む): 37296000

約数和(自身を除く): 17152124

約数列:

[1, 2, 4, 19, 38, 76, 239, 478, 956, 1109, 2218, 4436, 4541, 9082, 18164, 21071, 42142, 84284, 265051, 530102, 1060204, 5035969, 10071938, 20143876]

約数ペア:

[(1, 20143876), (2, 10071938), (4, 5035969), (19, 1060204), (38, 530102), (76, 265051), (239, 84284), (478, 42142), (956, 21071), (1109, 18164), (2218, 9082), (4436, 4541)]