20194696928

素因数分解:

$2^5\times 7^2\times {\mathrm{463}}^1\times {\mathrm{27817}}^1$

素因数の和:28304

約数の個数: 72

約数和(自身を含む): 46351019232

約数和(自身を除く): 26156322304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 463, 784, 926, 1568, 1852, 3241, 3704, 6482, 7408, 12964, 14816, 22687, 25928, 27817, 45374, 51856, 55634, 90748, 103712, 111268, 181496, 194719, 222536, 362992, 389438, 445072, 725984, 778876, 890144, 1363033, 1557752, 2726066, 3115504, 5452132, 6231008, 10904264, 12879271, 21808528, 25758542, 43617056, 51517084, 90154897, 103034168, 180309794, 206068336, 360619588, 412136672, 631084279, 721239176, 1262168558, 1442478352, 2524337116, 2884956704, 5048674232, 10097348464, 20194696928]

約数ペア:

[(1, 20194696928), (2, 10097348464), (4, 5048674232), (7, 2884956704), (8, 2524337116), (14, 1442478352), (16, 1262168558), (28, 721239176), (32, 631084279), (49, 412136672), (56, 360619588), (98, 206068336), (112, 180309794), (196, 103034168), (224, 90154897), (392, 51517084), (463, 43617056), (784, 25758542), (926, 21808528), (1568, 12879271), (1852, 10904264), (3241, 6231008), (3704, 5452132), (6482, 3115504), (7408, 2726066), (12964, 1557752), (14816, 1363033), (22687, 890144), (25928, 778876), (27817, 725984), (45374, 445072), (51856, 389438), (55634, 362992), (90748, 222536), (103712, 194719), (111268, 181496)]