20196703728

素因数分解:

$2^4\times 3^3\times {\mathrm{421}}^1\times {\mathrm{111049}}^1$

素因数の和:111487

約数の個数: 80

約数和(自身を含む): 58110244000

約数和(自身を除く): 37913540272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 421, 432, 842, 1263, 1684, 2526, 3368, 3789, 5052, 6736, 7578, 10104, 11367, 15156, 20208, 22734, 30312, 45468, 60624, 90936, 111049, 181872, 222098, 333147, 444196, 666294, 888392, 999441, 1332588, 1776784, 1998882, 2665176, 2998323, 3997764, 5330352, 5996646, 7995528, 11993292, 15991056, 23986584, 46751629, 47973168, 93503258, 140254887, 187006516, 280509774, 374013032, 420764661, 561019548, 748026064, 841529322, 1122039096, 1262293983, 1683058644, 2244078192, 2524587966, 3366117288, 5049175932, 6732234576, 10098351864, 20196703728]

約数ペア:

[(1, 20196703728), (2, 10098351864), (3, 6732234576), (4, 5049175932), (6, 3366117288), (8, 2524587966), (9, 2244078192), (12, 1683058644), (16, 1262293983), (18, 1122039096), (24, 841529322), (27, 748026064), (36, 561019548), (48, 420764661), (54, 374013032), (72, 280509774), (108, 187006516), (144, 140254887), (216, 93503258), (421, 47973168), (432, 46751629), (842, 23986584), (1263, 15991056), (1684, 11993292), (2526, 7995528), (3368, 5996646), (3789, 5330352), (5052, 3997764), (6736, 2998323), (7578, 2665176), (10104, 1998882), (11367, 1776784), (15156, 1332588), (20208, 999441), (22734, 888392), (30312, 666294), (45468, 444196), (60624, 333147), (90936, 222098), (111049, 181872)]