20813431632

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{259183}}^1$

素因数の和:259440

約数の個数: 80

約数和(自身を含む): 61706526720

約数和(自身を除く): 40893095088

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 239, 336, 478, 717, 956, 1434, 1673, 1912, 2868, 3346, 3824, 5019, 5736, 6692, 10038, 11472, 13384, 20076, 26768, 40152, 80304, 259183, 518366, 777549, 1036732, 1555098, 1814281, 2073464, 3110196, 3628562, 4146928, 5442843, 6220392, 7257124, 10885686, 12440784, 14514248, 21771372, 29028496, 43542744, 61944737, 87085488, 123889474, 185834211, 247778948, 371668422, 433613159, 495557896, 743336844, 867226318, 991115792, 1300839477, 1486673688, 1734452636, 2601678954, 2973347376, 3468905272, 5203357908, 6937810544, 10406715816, 20813431632]

約数ペア:

[(1, 20813431632), (2, 10406715816), (3, 6937810544), (4, 5203357908), (6, 3468905272), (7, 2973347376), (8, 2601678954), (12, 1734452636), (14, 1486673688), (16, 1300839477), (21, 991115792), (24, 867226318), (28, 743336844), (42, 495557896), (48, 433613159), (56, 371668422), (84, 247778948), (112, 185834211), (168, 123889474), (239, 87085488), (336, 61944737), (478, 43542744), (717, 29028496), (956, 21771372), (1434, 14514248), (1673, 12440784), (1912, 10885686), (2868, 7257124), (3346, 6220392), (3824, 5442843), (5019, 4146928), (5736, 3628562), (6692, 3110196), (10038, 2073464), (11472, 1814281), (13384, 1555098), (20076, 1036732), (26768, 777549), (40152, 518366), (80304, 259183)]