20947710

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4337}}^1$

素因数の和:4377

約数の個数: 64

約数和(自身を含む): 59968512

約数和(自身を除く): 39020802

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 69, 70, 105, 115, 138, 161, 210, 230, 322, 345, 483, 690, 805, 966, 1610, 2415, 4337, 4830, 8674, 13011, 21685, 26022, 30359, 43370, 60718, 65055, 91077, 99751, 130110, 151795, 182154, 199502, 299253, 303590, 455385, 498755, 598506, 698257, 910770, 997510, 1396514, 1496265, 2094771, 2992530, 3491285, 4189542, 6982570, 10473855, 20947710]

約数ペア:

[(1, 20947710), (2, 10473855), (3, 6982570), (5, 4189542), (6, 3491285), (7, 2992530), (10, 2094771), (14, 1496265), (15, 1396514), (21, 997510), (23, 910770), (30, 698257), (35, 598506), (42, 498755), (46, 455385), (69, 303590), (70, 299253), (105, 199502), (115, 182154), (138, 151795), (161, 130110), (210, 99751), (230, 91077), (322, 65055), (345, 60718), (483, 43370), (690, 30359), (805, 26022), (966, 21685), (1610, 13011), (2415, 8674), (4337, 4830)]