20047260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:307

約数の個数: 96

約数和(自身を含む): 59673600

約数和(自身を除く): 39626340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 73, 92, 115, 138, 146, 199, 219, 230, 276, 292, 345, 365, 398, 438, 460, 597, 690, 730, 796, 876, 995, 1095, 1194, 1380, 1460, 1679, 1990, 2190, 2388, 2985, 3358, 3980, 4380, 4577, 5037, 5970, 6716, 8395, 9154, 10074, 11940, 13731, 14527, 16790, 18308, 20148, 22885, 25185, 27462, 29054, 33580, 43581, 45770, 50370, 54924, 58108, 68655, 72635, 87162, 91540, 100740, 137310, 145270, 174324, 217905, 274620, 290540, 334121, 435810, 668242, 871620, 1002363, 1336484, 1670605, 2004726, 3341210, 4009452, 5011815, 6682420, 10023630, 20047260]

約数ペア:

[(1, 20047260), (2, 10023630), (3, 6682420), (4, 5011815), (5, 4009452), (6, 3341210), (10, 2004726), (12, 1670605), (15, 1336484), (20, 1002363), (23, 871620), (30, 668242), (46, 435810), (60, 334121), (69, 290540), (73, 274620), (92, 217905), (115, 174324), (138, 145270), (146, 137310), (199, 100740), (219, 91540), (230, 87162), (276, 72635), (292, 68655), (345, 58108), (365, 54924), (398, 50370), (438, 45770), (460, 43581), (597, 33580), (690, 29054), (730, 27462), (796, 25185), (876, 22885), (995, 20148), (1095, 18308), (1194, 16790), (1380, 14527), (1460, 13731), (1679, 11940), (1990, 10074), (2190, 9154), (2388, 8395), (2985, 6716), (3358, 5970), (3980, 5037), (4380, 4577)]