20615808

素因数分解:

$2^7\times 3^1\times {\mathrm{37}}^1\times {\mathrm{1451}}^1$

素因数の和:1505

約数の個数: 64

約数和(自身を含む): 56279520

約数和(自身を除く): 35663712

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, 1451, 1776, 2368, 2902, 3552, 4353, 4736, 5804, 7104, 8706, 11608, 14208, 17412, 23216, 34824, 46432, 53687, 69648, 92864, 107374, 139296, 161061, 185728, 214748, 278592, 322122, 429496, 557184, 644244, 858992, 1288488, 1717984, 2576976, 3435968, 5153952, 6871936, 10307904, 20615808]

約数ペア:

[(1, 20615808), (2, 10307904), (3, 6871936), (4, 5153952), (6, 3435968), (8, 2576976), (12, 1717984), (16, 1288488), (24, 858992), (32, 644244), (37, 557184), (48, 429496), (64, 322122), (74, 278592), (96, 214748), (111, 185728), (128, 161061), (148, 139296), (192, 107374), (222, 92864), (296, 69648), (384, 53687), (444, 46432), (592, 34824), (888, 23216), (1184, 17412), (1451, 14208), (1776, 11608), (2368, 8706), (2902, 7104), (3552, 5804), (4353, 4736)]