20122520900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^2\times {\mathrm{696281}}^1$

素因数の和:696329

約数の個数: 54

約数和(自身を含む): 46385610558

約数和(自身を除く): 26263089658

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 289, 340, 425, 578, 850, 1156, 1445, 1700, 2890, 5780, 7225, 14450, 28900, 696281, 1392562, 2785124, 3481405, 6962810, 11836777, 13925620, 17407025, 23673554, 34814050, 47347108, 59183885, 69628100, 118367770, 201225209, 236735540, 295919425, 402450418, 591838850, 804900836, 1006126045, 1183677700, 2012252090, 4024504180, 5030630225, 10061260450, 20122520900]

約数ペア:

[(1, 20122520900), (2, 10061260450), (4, 5030630225), (5, 4024504180), (10, 2012252090), (17, 1183677700), (20, 1006126045), (25, 804900836), (34, 591838850), (50, 402450418), (68, 295919425), (85, 236735540), (100, 201225209), (170, 118367770), (289, 69628100), (340, 59183885), (425, 47347108), (578, 34814050), (850, 23673554), (1156, 17407025), (1445, 13925620), (1700, 11836777), (2890, 6962810), (5780, 3481405), (7225, 2785124), (14450, 1392562), (28900, 696281)]