20867760

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9661}}^1$

素因数の和:9683

約数の個数: 80

約数和(自身を含む): 71885280

約数和(自身を除く): 51017520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 9661, 19322, 28983, 38644, 48305, 57966, 77288, 86949, 96610, 115932, 144915, 154576, 173898, 193220, 231864, 260847, 289830, 347796, 386440, 434745, 463728, 521694, 579660, 695592, 772880, 869490, 1043388, 1159320, 1304235, 1391184, 1738980, 2086776, 2318640, 2608470, 3477960, 4173552, 5216940, 6955920, 10433880, 20867760]

約数ペア:

[(1, 20867760), (2, 10433880), (3, 6955920), (4, 5216940), (5, 4173552), (6, 3477960), (8, 2608470), (9, 2318640), (10, 2086776), (12, 1738980), (15, 1391184), (16, 1304235), (18, 1159320), (20, 1043388), (24, 869490), (27, 772880), (30, 695592), (36, 579660), (40, 521694), (45, 463728), (48, 434745), (54, 386440), (60, 347796), (72, 289830), (80, 260847), (90, 231864), (108, 193220), (120, 173898), (135, 154576), (144, 144915), (180, 115932), (216, 96610), (240, 86949), (270, 77288), (360, 57966), (432, 48305), (540, 38644), (720, 28983), (1080, 19322), (2160, 9661)]