20512695584

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{240173}}^1$

素因数の和:240357

約数の個数: 48

約数和(自身を含む): 43032455928

約数和(自身を除く): 22519760344

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 157, 272, 314, 544, 628, 1256, 2512, 2669, 5024, 5338, 10676, 21352, 42704, 85408, 240173, 480346, 960692, 1921384, 3842768, 4082941, 7685536, 8165882, 16331764, 32663528, 37707161, 65327056, 75414322, 130654112, 150828644, 301657288, 603314576, 641021737, 1206629152, 1282043474, 2564086948, 5128173896, 10256347792, 20512695584]

約数ペア:

[(1, 20512695584), (2, 10256347792), (4, 5128173896), (8, 2564086948), (16, 1282043474), (17, 1206629152), (32, 641021737), (34, 603314576), (68, 301657288), (136, 150828644), (157, 130654112), (272, 75414322), (314, 65327056), (544, 37707161), (628, 32663528), (1256, 16331764), (2512, 8165882), (2669, 7685536), (5024, 4082941), (5338, 3842768), (10676, 1921384), (21352, 960692), (42704, 480346), (85408, 240173)]