20186280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{18691}}^1$

素因数の和:18711

約数の個数: 64

約数和(自身を含む): 67291200

約数和(自身を除く): 47104920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 18691, 37382, 56073, 74764, 93455, 112146, 149528, 168219, 186910, 224292, 280365, 336438, 373820, 448584, 504657, 560730, 672876, 747640, 841095, 1009314, 1121460, 1345752, 1682190, 2018628, 2242920, 2523285, 3364380, 4037256, 5046570, 6728760, 10093140, 20186280]

約数ペア:

[(1, 20186280), (2, 10093140), (3, 6728760), (4, 5046570), (5, 4037256), (6, 3364380), (8, 2523285), (9, 2242920), (10, 2018628), (12, 1682190), (15, 1345752), (18, 1121460), (20, 1009314), (24, 841095), (27, 747640), (30, 672876), (36, 560730), (40, 504657), (45, 448584), (54, 373820), (60, 336438), (72, 280365), (90, 224292), (108, 186910), (120, 168219), (135, 149528), (180, 112146), (216, 93455), (270, 74764), (360, 56073), (540, 37382), (1080, 18691)]