20558976

素因数分解:

$2^7\times 3^1\times {\mathrm{37}}^1\times {\mathrm{1447}}^1$

素因数の和:1501

約数の個数: 64

約数和(自身を含む): 56124480

約数和(自身を除く): 35565504

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 64, 74, 96, 111, 128, 148, 192, 222, 296, 384, 444, 592, 888, 1184, 1447, 1776, 2368, 2894, 3552, 4341, 4736, 5788, 7104, 8682, 11576, 14208, 17364, 23152, 34728, 46304, 53539, 69456, 92608, 107078, 138912, 160617, 185216, 214156, 277824, 321234, 428312, 555648, 642468, 856624, 1284936, 1713248, 2569872, 3426496, 5139744, 6852992, 10279488, 20558976]

約数ペア:

[(1, 20558976), (2, 10279488), (3, 6852992), (4, 5139744), (6, 3426496), (8, 2569872), (12, 1713248), (16, 1284936), (24, 856624), (32, 642468), (37, 555648), (48, 428312), (64, 321234), (74, 277824), (96, 214156), (111, 185216), (128, 160617), (148, 138912), (192, 107078), (222, 92608), (296, 69456), (384, 53539), (444, 46304), (592, 34728), (888, 23152), (1184, 17364), (1447, 14208), (1776, 11576), (2368, 8682), (2894, 7104), (3552, 5788), (4341, 4736)]