20075820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1069}}^1$

素因数の和:1394

約数の個数: 48

約数和(自身を含む): 56444640

約数和(自身を除く): 36368820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 313, 626, 939, 1069, 1252, 1565, 1878, 2138, 3130, 3207, 3756, 4276, 4695, 5345, 6260, 6414, 9390, 10690, 12828, 16035, 18780, 21380, 32070, 64140, 334597, 669194, 1003791, 1338388, 1672985, 2007582, 3345970, 4015164, 5018955, 6691940, 10037910, 20075820]

約数ペア:

[(1, 20075820), (2, 10037910), (3, 6691940), (4, 5018955), (5, 4015164), (6, 3345970), (10, 2007582), (12, 1672985), (15, 1338388), (20, 1003791), (30, 669194), (60, 334597), (313, 64140), (626, 32070), (939, 21380), (1069, 18780), (1252, 16035), (1565, 12828), (1878, 10690), (2138, 9390), (3130, 6414), (3207, 6260), (3756, 5345), (4276, 4695)]