20792660

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{433}}^1$

素因数の和:470

約数の個数: 60

約数和(自身を含む): 51056628

約数和(自身を除く): 30263968

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 433, 490, 686, 866, 980, 1372, 1715, 1732, 2165, 2401, 3031, 3430, 4330, 4802, 6062, 6860, 8660, 9604, 12005, 12124, 15155, 21217, 24010, 30310, 42434, 48020, 60620, 84868, 106085, 148519, 212170, 297038, 424340, 594076, 742595, 1039633, 1485190, 2079266, 2970380, 4158532, 5198165, 10396330, 20792660]

約数ペア:

[(1, 20792660), (2, 10396330), (4, 5198165), (5, 4158532), (7, 2970380), (10, 2079266), (14, 1485190), (20, 1039633), (28, 742595), (35, 594076), (49, 424340), (70, 297038), (98, 212170), (140, 148519), (196, 106085), (245, 84868), (343, 60620), (433, 48020), (490, 42434), (686, 30310), (866, 24010), (980, 21217), (1372, 15155), (1715, 12124), (1732, 12005), (2165, 9604), (2401, 8660), (3031, 6860), (3430, 6062), (4330, 4802)]