20896416

素因数分解:

$2^5\times 3^2\times {\mathrm{37}}^2\times {\mathrm{53}}^1$

素因数の和:143

約数の個数: 108

約数和(自身を含む): 62225982

約数和(自身を除く): 41329566

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 48, 53, 72, 74, 96, 106, 111, 144, 148, 159, 212, 222, 288, 296, 318, 333, 424, 444, 477, 592, 636, 666, 848, 888, 954, 1184, 1272, 1332, 1369, 1696, 1776, 1908, 1961, 2544, 2664, 2738, 3552, 3816, 3922, 4107, 5088, 5328, 5476, 5883, 7632, 7844, 8214, 10656, 10952, 11766, 12321, 15264, 15688, 16428, 17649, 21904, 23532, 24642, 31376, 32856, 35298, 43808, 47064, 49284, 62752, 65712, 70596, 72557, 94128, 98568, 131424, 141192, 145114, 188256, 197136, 217671, 282384, 290228, 394272, 435342, 564768, 580456, 653013, 870684, 1160912, 1306026, 1741368, 2321824, 2612052, 3482736, 5224104, 6965472, 10448208, 20896416]

約数ペア:

[(1, 20896416), (2, 10448208), (3, 6965472), (4, 5224104), (6, 3482736), (8, 2612052), (9, 2321824), (12, 1741368), (16, 1306026), (18, 1160912), (24, 870684), (32, 653013), (36, 580456), (37, 564768), (48, 435342), (53, 394272), (72, 290228), (74, 282384), (96, 217671), (106, 197136), (111, 188256), (144, 145114), (148, 141192), (159, 131424), (212, 98568), (222, 94128), (288, 72557), (296, 70596), (318, 65712), (333, 62752), (424, 49284), (444, 47064), (477, 43808), (592, 35298), (636, 32856), (666, 31376), (848, 24642), (888, 23532), (954, 21904), (1184, 17649), (1272, 16428), (1332, 15688), (1369, 15264), (1696, 12321), (1776, 11766), (1908, 10952), (1961, 10656), (2544, 8214), (2664, 7844), (2738, 7632), (3552, 5883), (3816, 5476), (3922, 5328), (4107, 5088)]