20477160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5171}}^1$

素因数の和:5199

約数の個数: 96

約数和(自身を含む): 72614880

約数和(自身を除く): 52137720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 5171, 10342, 15513, 20684, 25855, 31026, 41368, 46539, 51710, 56881, 62052, 77565, 93078, 103420, 113762, 124104, 155130, 170643, 186156, 206840, 227524, 232695, 284405, 310260, 341286, 372312, 455048, 465390, 511929, 568810, 620520, 682572, 853215, 930780, 1023858, 1137620, 1365144, 1706430, 1861560, 2047716, 2275240, 2559645, 3412860, 4095432, 5119290, 6825720, 10238580, 20477160]

約数ペア:

[(1, 20477160), (2, 10238580), (3, 6825720), (4, 5119290), (5, 4095432), (6, 3412860), (8, 2559645), (9, 2275240), (10, 2047716), (11, 1861560), (12, 1706430), (15, 1365144), (18, 1137620), (20, 1023858), (22, 930780), (24, 853215), (30, 682572), (33, 620520), (36, 568810), (40, 511929), (44, 465390), (45, 455048), (55, 372312), (60, 341286), (66, 310260), (72, 284405), (88, 232695), (90, 227524), (99, 206840), (110, 186156), (120, 170643), (132, 155130), (165, 124104), (180, 113762), (198, 103420), (220, 93078), (264, 77565), (330, 62052), (360, 56881), (396, 51710), (440, 46539), (495, 41368), (660, 31026), (792, 25855), (990, 20684), (1320, 15513), (1980, 10342), (3960, 5171)]