20078310

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4157}}^1$

素因数の和:4197

約数の個数: 64

約数和(自身を含む): 57480192

約数和(自身を除く): 37401882

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, 4157, 4830, 8314, 12471, 20785, 24942, 29099, 41570, 58198, 62355, 87297, 95611, 124710, 145495, 174594, 191222, 286833, 290990, 436485, 478055, 573666, 669277, 872970, 956110, 1338554, 1434165, 2007831, 2868330, 3346385, 4015662, 6692770, 10039155, 20078310]

約数ペア:

[(1, 20078310), (2, 10039155), (3, 6692770), (5, 4015662), (6, 3346385), (7, 2868330), (10, 2007831), (14, 1434165), (15, 1338554), (21, 956110), (23, 872970), (30, 669277), (35, 573666), (42, 478055), (46, 436485), (69, 290990), (70, 286833), (105, 191222), (115, 174594), (138, 145495), (161, 124710), (210, 95611), (230, 87297), (322, 62355), (345, 58198), (483, 41570), (690, 29099), (805, 24942), (966, 20785), (1610, 12471), (2415, 8314), (4157, 4830)]