20456442180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1237}}^1\times {\mathrm{91873}}^1$

素因数の和:93125

約数の個数: 72

約数和(自身を含む): 62102046552

約数和(自身を除く): 41645604372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1237, 2474, 3711, 4948, 6185, 7422, 11133, 12370, 14844, 18555, 22266, 24740, 37110, 44532, 55665, 74220, 91873, 111330, 183746, 222660, 275619, 367492, 459365, 551238, 826857, 918730, 1102476, 1378095, 1653714, 1837460, 2756190, 3307428, 4134285, 5512380, 8268570, 16537140, 113646901, 227293802, 340940703, 454587604, 568234505, 681881406, 1022822109, 1136469010, 1363762812, 1704703515, 2045644218, 2272938020, 3409407030, 4091288436, 5114110545, 6818814060, 10228221090, 20456442180]

約数ペア:

[(1, 20456442180), (2, 10228221090), (3, 6818814060), (4, 5114110545), (5, 4091288436), (6, 3409407030), (9, 2272938020), (10, 2045644218), (12, 1704703515), (15, 1363762812), (18, 1136469010), (20, 1022822109), (30, 681881406), (36, 568234505), (45, 454587604), (60, 340940703), (90, 227293802), (180, 113646901), (1237, 16537140), (2474, 8268570), (3711, 5512380), (4948, 4134285), (6185, 3307428), (7422, 2756190), (11133, 1837460), (12370, 1653714), (14844, 1378095), (18555, 1102476), (22266, 918730), (24740, 826857), (37110, 551238), (44532, 459365), (55665, 367492), (74220, 275619), (91873, 222660), (111330, 183746)]