20483424

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{5471}}^1$

素因数の和:5500

約数の個数: 72

約数和(自身を含む): 62741952

約数和(自身を除く): 42258528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 5471, 10942, 16413, 21884, 32826, 43768, 49239, 65652, 71123, 87536, 98478, 131304, 142246, 175072, 196956, 213369, 262608, 284492, 393912, 426738, 525216, 568984, 640107, 787824, 853476, 1137968, 1280214, 1575648, 1706952, 2275936, 2560428, 3413904, 5120856, 6827808, 10241712, 20483424]

約数ペア:

[(1, 20483424), (2, 10241712), (3, 6827808), (4, 5120856), (6, 3413904), (8, 2560428), (9, 2275936), (12, 1706952), (13, 1575648), (16, 1280214), (18, 1137968), (24, 853476), (26, 787824), (32, 640107), (36, 568984), (39, 525216), (48, 426738), (52, 393912), (72, 284492), (78, 262608), (96, 213369), (104, 196956), (117, 175072), (144, 142246), (156, 131304), (208, 98478), (234, 87536), (288, 71123), (312, 65652), (416, 49239), (468, 43768), (624, 32826), (936, 21884), (1248, 16413), (1872, 10942), (3744, 5471)]