20776385040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2339683}}^1$

素因数の和:2339736

約数の個数: 80

約数和(自身を含む): 66147546048

約数和(自身を除く): 45371161008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2220, 2960, 4440, 8880, 2339683, 4679366, 7019049, 9358732, 11698415, 14038098, 18717464, 23396830, 28076196, 35095245, 37434928, 46793660, 56152392, 70190490, 86568271, 93587320, 112304784, 140380980, 173136542, 187174640, 259704813, 280761960, 346273084, 432841355, 519409626, 561523920, 692546168, 865682710, 1038819252, 1298524065, 1385092336, 1731365420, 2077638504, 2597048130, 3462730840, 4155277008, 5194096260, 6925461680, 10388192520, 20776385040]

約数ペア:

[(1, 20776385040), (2, 10388192520), (3, 6925461680), (4, 5194096260), (5, 4155277008), (6, 3462730840), (8, 2597048130), (10, 2077638504), (12, 1731365420), (15, 1385092336), (16, 1298524065), (20, 1038819252), (24, 865682710), (30, 692546168), (37, 561523920), (40, 519409626), (48, 432841355), (60, 346273084), (74, 280761960), (80, 259704813), (111, 187174640), (120, 173136542), (148, 140380980), (185, 112304784), (222, 93587320), (240, 86568271), (296, 70190490), (370, 56152392), (444, 46793660), (555, 37434928), (592, 35095245), (740, 28076196), (888, 23396830), (1110, 18717464), (1480, 14038098), (1776, 11698415), (2220, 9358732), (2960, 7019049), (4440, 4679366), (8880, 2339683)]