20646600

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2647}}^1$

素因数の和:2679

約数の個数: 96

約数和(自身を含む): 68953920

約数和(自身を除く): 48307320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 130, 150, 156, 195, 200, 260, 300, 312, 325, 390, 520, 600, 650, 780, 975, 1300, 1560, 1950, 2600, 2647, 3900, 5294, 7800, 7941, 10588, 13235, 15882, 21176, 26470, 31764, 34411, 39705, 52940, 63528, 66175, 68822, 79410, 103233, 105880, 132350, 137644, 158820, 172055, 198525, 206466, 264700, 275288, 317640, 344110, 397050, 412932, 516165, 529400, 688220, 794100, 825864, 860275, 1032330, 1376440, 1588200, 1720550, 2064660, 2580825, 3441100, 4129320, 5161650, 6882200, 10323300, 20646600]

約数ペア:

[(1, 20646600), (2, 10323300), (3, 6882200), (4, 5161650), (5, 4129320), (6, 3441100), (8, 2580825), (10, 2064660), (12, 1720550), (13, 1588200), (15, 1376440), (20, 1032330), (24, 860275), (25, 825864), (26, 794100), (30, 688220), (39, 529400), (40, 516165), (50, 412932), (52, 397050), (60, 344110), (65, 317640), (75, 275288), (78, 264700), (100, 206466), (104, 198525), (120, 172055), (130, 158820), (150, 137644), (156, 132350), (195, 105880), (200, 103233), (260, 79410), (300, 68822), (312, 66175), (325, 63528), (390, 52940), (520, 39705), (600, 34411), (650, 31764), (780, 26470), (975, 21176), (1300, 15882), (1560, 13235), (1950, 10588), (2600, 7941), (2647, 7800), (3900, 5294)]