20403552

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{16349}}^1$

素因数の和:16375

約数の個数: 48

約数和(自身を含む): 57682800

約数和(自身を除く): 37279248

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 16349, 32698, 49047, 65396, 98094, 130792, 196188, 212537, 261584, 392376, 425074, 523168, 637611, 784752, 850148, 1275222, 1569504, 1700296, 2550444, 3400592, 5100888, 6801184, 10201776, 20403552]

約数ペア:

[(1, 20403552), (2, 10201776), (3, 6801184), (4, 5100888), (6, 3400592), (8, 2550444), (12, 1700296), (13, 1569504), (16, 1275222), (24, 850148), (26, 784752), (32, 637611), (39, 523168), (48, 425074), (52, 392376), (78, 261584), (96, 212537), (104, 196188), (156, 130792), (208, 98094), (312, 65396), (416, 49047), (624, 32698), (1248, 16349)]