20806561630

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4273}}^1\times {\mathrm{28643}}^1$

素因数の和:32940

約数の個数: 32

約数和(自身を含む): 39665523744

約数和(自身を除く): 18858962114

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 4273, 8546, 21365, 28643, 42730, 57286, 72641, 143215, 145282, 286430, 363205, 486931, 726410, 973862, 2434655, 4869310, 122391539, 244783078, 611957695, 1223915390, 2080656163, 4161312326, 10403280815, 20806561630]

約数ペア:

[(1, 20806561630), (2, 10403280815), (5, 4161312326), (10, 2080656163), (17, 1223915390), (34, 611957695), (85, 244783078), (170, 122391539), (4273, 4869310), (8546, 2434655), (21365, 973862), (28643, 726410), (42730, 486931), (57286, 363205), (72641, 286430), (143215, 145282)]