20161788808

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{937}}^1\times {\mathrm{6299}}^1$

素因数の和:7310

約数の個数: 64

約数和(自身を含む): 43965936000

約数和(自身を除く): 23804147192

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 854, 937, 1708, 1874, 3416, 3748, 6299, 6559, 7496, 12598, 13118, 25196, 26236, 44093, 50392, 52472, 57157, 88186, 114314, 176372, 228628, 352744, 384239, 400099, 457256, 768478, 800198, 1536956, 1600396, 2689673, 3073912, 3200792, 5379346, 5902163, 10758692, 11804326, 21517384, 23608652, 41315141, 47217304, 82630282, 165260564, 330521128, 360031943, 720063886, 1440127772, 2520223601, 2880255544, 5040447202, 10080894404, 20161788808]

約数ペア:

[(1, 20161788808), (2, 10080894404), (4, 5040447202), (7, 2880255544), (8, 2520223601), (14, 1440127772), (28, 720063886), (56, 360031943), (61, 330521128), (122, 165260564), (244, 82630282), (427, 47217304), (488, 41315141), (854, 23608652), (937, 21517384), (1708, 11804326), (1874, 10758692), (3416, 5902163), (3748, 5379346), (6299, 3200792), (6559, 3073912), (7496, 2689673), (12598, 1600396), (13118, 1536956), (25196, 800198), (26236, 768478), (44093, 457256), (50392, 400099), (52472, 384239), (57157, 352744), (88186, 228628), (114314, 176372)]