20908848

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:302

約数の個数: 80

約数和(自身を含む): 56675936

約数和(自身を除く): 35767088

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 61, 74, 111, 122, 148, 183, 193, 222, 244, 296, 366, 386, 444, 488, 579, 592, 732, 772, 888, 976, 1158, 1464, 1544, 1776, 2257, 2316, 2928, 3088, 4514, 4632, 6771, 7141, 9028, 9264, 11773, 13542, 14282, 18056, 21423, 23546, 27084, 28564, 35319, 36112, 42846, 47092, 54168, 57128, 70638, 85692, 94184, 108336, 114256, 141276, 171384, 188368, 282552, 342768, 435601, 565104, 871202, 1306803, 1742404, 2613606, 3484808, 5227212, 6969616, 10454424, 20908848]

約数ペア:

[(1, 20908848), (2, 10454424), (3, 6969616), (4, 5227212), (6, 3484808), (8, 2613606), (12, 1742404), (16, 1306803), (24, 871202), (37, 565104), (48, 435601), (61, 342768), (74, 282552), (111, 188368), (122, 171384), (148, 141276), (183, 114256), (193, 108336), (222, 94184), (244, 85692), (296, 70638), (366, 57128), (386, 54168), (444, 47092), (488, 42846), (579, 36112), (592, 35319), (732, 28564), (772, 27084), (888, 23546), (976, 21423), (1158, 18056), (1464, 14282), (1544, 13542), (1776, 11773), (2257, 9264), (2316, 9028), (2928, 7141), (3088, 6771), (4514, 4632)]