20829120

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1669}}^1$

素因数の和:1702

約数の個数: 112

約数和(自身を含む): 71262240

約数和(自身を除く): 50433120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 1669, 2080, 2496, 3120, 3338, 4160, 5007, 6240, 6676, 8345, 10014, 12480, 13352, 16690, 20028, 21697, 25035, 26704, 33380, 40056, 43394, 50070, 53408, 65091, 66760, 80112, 86788, 100140, 106816, 108485, 130182, 133520, 160224, 173576, 200280, 216970, 260364, 267040, 320448, 325455, 347152, 400560, 433940, 520728, 534080, 650910, 694304, 801120, 867880, 1041456, 1301820, 1388608, 1602240, 1735760, 2082912, 2603640, 3471520, 4165824, 5207280, 6943040, 10414560, 20829120]

約数ペア:

[(1, 20829120), (2, 10414560), (3, 6943040), (4, 5207280), (5, 4165824), (6, 3471520), (8, 2603640), (10, 2082912), (12, 1735760), (13, 1602240), (15, 1388608), (16, 1301820), (20, 1041456), (24, 867880), (26, 801120), (30, 694304), (32, 650910), (39, 534080), (40, 520728), (48, 433940), (52, 400560), (60, 347152), (64, 325455), (65, 320448), (78, 267040), (80, 260364), (96, 216970), (104, 200280), (120, 173576), (130, 160224), (156, 133520), (160, 130182), (192, 108485), (195, 106816), (208, 100140), (240, 86788), (260, 80112), (312, 66760), (320, 65091), (390, 53408), (416, 50070), (480, 43394), (520, 40056), (624, 33380), (780, 26704), (832, 25035), (960, 21697), (1040, 20028), (1248, 16690), (1560, 13352), (1669, 12480), (2080, 10014), (2496, 8345), (3120, 6676), (3338, 6240), (4160, 5007)]