20977260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1117}}^1$

素因数の和:1442

約数の個数: 48

約数和(自身を含む): 58976736

約数和(自身を除く): 37999476

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 313, 626, 939, 1117, 1252, 1565, 1878, 2234, 3130, 3351, 3756, 4468, 4695, 5585, 6260, 6702, 9390, 11170, 13404, 16755, 18780, 22340, 33510, 67020, 349621, 699242, 1048863, 1398484, 1748105, 2097726, 3496210, 4195452, 5244315, 6992420, 10488630, 20977260]

約数ペア:

[(1, 20977260), (2, 10488630), (3, 6992420), (4, 5244315), (5, 4195452), (6, 3496210), (10, 2097726), (12, 1748105), (15, 1398484), (20, 1048863), (30, 699242), (60, 349621), (313, 67020), (626, 33510), (939, 22340), (1117, 18780), (1252, 16755), (1565, 13404), (1878, 11170), (2234, 9390), (3130, 6702), (3351, 6260), (3756, 5585), (4468, 4695)]