20636550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{379}}^1$

素因数の和:419

約数の個数: 108

約数和(自身を含む): 61102860

約数和(自身を除く): 40466310

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 25, 30, 33, 45, 50, 55, 66, 75, 90, 99, 110, 121, 150, 165, 198, 225, 242, 275, 330, 363, 379, 450, 495, 550, 605, 726, 758, 825, 990, 1089, 1137, 1210, 1650, 1815, 1895, 2178, 2274, 2475, 3025, 3411, 3630, 3790, 4169, 4950, 5445, 5685, 6050, 6822, 8338, 9075, 9475, 10890, 11370, 12507, 17055, 18150, 18950, 20845, 25014, 27225, 28425, 34110, 37521, 41690, 45859, 54450, 56850, 62535, 75042, 85275, 91718, 104225, 125070, 137577, 170550, 187605, 208450, 229295, 275154, 312675, 375210, 412731, 458590, 625350, 687885, 825462, 938025, 1146475, 1375770, 1876050, 2063655, 2292950, 3439425, 4127310, 6878850, 10318275, 20636550]

約数ペア:

[(1, 20636550), (2, 10318275), (3, 6878850), (5, 4127310), (6, 3439425), (9, 2292950), (10, 2063655), (11, 1876050), (15, 1375770), (18, 1146475), (22, 938025), (25, 825462), (30, 687885), (33, 625350), (45, 458590), (50, 412731), (55, 375210), (66, 312675), (75, 275154), (90, 229295), (99, 208450), (110, 187605), (121, 170550), (150, 137577), (165, 125070), (198, 104225), (225, 91718), (242, 85275), (275, 75042), (330, 62535), (363, 56850), (379, 54450), (450, 45859), (495, 41690), (550, 37521), (605, 34110), (726, 28425), (758, 27225), (825, 25014), (990, 20845), (1089, 18950), (1137, 18150), (1210, 17055), (1650, 12507), (1815, 11370), (1895, 10890), (2178, 9475), (2274, 9075), (2475, 8338), (3025, 6822), (3411, 6050), (3630, 5685), (3790, 5445), (4169, 4950)]