20041320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{443}}^1$

素因数の和:499

約数の個数: 128

約数和(自身を含む): 67132800

約数和(自身を除く): 47091480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 29, 30, 39, 40, 52, 58, 60, 65, 78, 87, 104, 116, 120, 130, 145, 156, 174, 195, 232, 260, 290, 312, 348, 377, 390, 435, 443, 520, 580, 696, 754, 780, 870, 886, 1131, 1160, 1329, 1508, 1560, 1740, 1772, 1885, 2215, 2262, 2658, 3016, 3480, 3544, 3770, 4430, 4524, 5316, 5655, 5759, 6645, 7540, 8860, 9048, 10632, 11310, 11518, 12847, 13290, 15080, 17277, 17720, 22620, 23036, 25694, 26580, 28795, 34554, 38541, 45240, 46072, 51388, 53160, 57590, 64235, 69108, 77082, 86385, 102776, 115180, 128470, 138216, 154164, 167011, 172770, 192705, 230360, 256940, 308328, 334022, 345540, 385410, 501033, 513880, 668044, 691080, 770820, 835055, 1002066, 1336088, 1541640, 1670110, 2004132, 2505165, 3340220, 4008264, 5010330, 6680440, 10020660, 20041320]

約数ペア:

[(1, 20041320), (2, 10020660), (3, 6680440), (4, 5010330), (5, 4008264), (6, 3340220), (8, 2505165), (10, 2004132), (12, 1670110), (13, 1541640), (15, 1336088), (20, 1002066), (24, 835055), (26, 770820), (29, 691080), (30, 668044), (39, 513880), (40, 501033), (52, 385410), (58, 345540), (60, 334022), (65, 308328), (78, 256940), (87, 230360), (104, 192705), (116, 172770), (120, 167011), (130, 154164), (145, 138216), (156, 128470), (174, 115180), (195, 102776), (232, 86385), (260, 77082), (290, 69108), (312, 64235), (348, 57590), (377, 53160), (390, 51388), (435, 46072), (443, 45240), (520, 38541), (580, 34554), (696, 28795), (754, 26580), (780, 25694), (870, 23036), (886, 22620), (1131, 17720), (1160, 17277), (1329, 15080), (1508, 13290), (1560, 12847), (1740, 11518), (1772, 11310), (1885, 10632), (2215, 9048), (2262, 8860), (2658, 7540), (3016, 6645), (3480, 5759), (3544, 5655), (3770, 5316), (4430, 4524)]