20081321900

素因数分解:

$2^2\times 5^2\times {\mathrm{193}}^1\times {\mathrm{1040483}}^1$

素因数の和:1040690

約数の個数: 36

約数和(自身を含む): 43802295432

約数和(自身を除く): 23720973532

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 193, 386, 772, 965, 1930, 3860, 4825, 9650, 19300, 1040483, 2080966, 4161932, 5202415, 10404830, 20809660, 26012075, 52024150, 104048300, 200813219, 401626438, 803252876, 1004066095, 2008132190, 4016264380, 5020330475, 10040660950, 20081321900]

約数ペア:

[(1, 20081321900), (2, 10040660950), (4, 5020330475), (5, 4016264380), (10, 2008132190), (20, 1004066095), (25, 803252876), (50, 401626438), (100, 200813219), (193, 104048300), (386, 52024150), (772, 26012075), (965, 20809660), (1930, 10404830), (3860, 5202415), (4825, 4161932), (9650, 2080966), (19300, 1040483)]