20905296

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:276

約数の個数: 80

約数和(自身を含む): 56544000

約数和(自身を除く): 35638704

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 79, 111, 148, 149, 158, 222, 237, 296, 298, 316, 444, 447, 474, 592, 596, 632, 888, 894, 948, 1192, 1264, 1776, 1788, 1896, 2384, 2923, 3576, 3792, 5513, 5846, 7152, 8769, 11026, 11692, 11771, 16539, 17538, 22052, 23384, 23542, 33078, 35076, 35313, 44104, 46768, 47084, 66156, 70152, 70626, 88208, 94168, 132312, 140304, 141252, 188336, 264624, 282504, 435527, 565008, 871054, 1306581, 1742108, 2613162, 3484216, 5226324, 6968432, 10452648, 20905296]

約数ペア:

[(1, 20905296), (2, 10452648), (3, 6968432), (4, 5226324), (6, 3484216), (8, 2613162), (12, 1742108), (16, 1306581), (24, 871054), (37, 565008), (48, 435527), (74, 282504), (79, 264624), (111, 188336), (148, 141252), (149, 140304), (158, 132312), (222, 94168), (237, 88208), (296, 70626), (298, 70152), (316, 66156), (444, 47084), (447, 46768), (474, 44104), (592, 35313), (596, 35076), (632, 33078), (888, 23542), (894, 23384), (948, 22052), (1192, 17538), (1264, 16539), (1776, 11771), (1788, 11692), (1896, 11026), (2384, 8769), (2923, 7152), (3576, 5846), (3792, 5513)]