20329560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{379}}^1$

素因数の和:545

約数の個数: 96

約数和(自身を含む): 66690000

約数和(自身を除く): 46360440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 149, 180, 298, 360, 379, 447, 596, 745, 758, 894, 1137, 1192, 1341, 1490, 1516, 1788, 1895, 2235, 2274, 2682, 2980, 3032, 3411, 3576, 3790, 4470, 4548, 5364, 5685, 5960, 6705, 6822, 7580, 8940, 9096, 10728, 11370, 13410, 13644, 15160, 17055, 17880, 22740, 26820, 27288, 34110, 45480, 53640, 56471, 68220, 112942, 136440, 169413, 225884, 282355, 338826, 451768, 508239, 564710, 677652, 847065, 1016478, 1129420, 1355304, 1694130, 2032956, 2258840, 2541195, 3388260, 4065912, 5082390, 6776520, 10164780, 20329560]

約数ペア:

[(1, 20329560), (2, 10164780), (3, 6776520), (4, 5082390), (5, 4065912), (6, 3388260), (8, 2541195), (9, 2258840), (10, 2032956), (12, 1694130), (15, 1355304), (18, 1129420), (20, 1016478), (24, 847065), (30, 677652), (36, 564710), (40, 508239), (45, 451768), (60, 338826), (72, 282355), (90, 225884), (120, 169413), (149, 136440), (180, 112942), (298, 68220), (360, 56471), (379, 53640), (447, 45480), (596, 34110), (745, 27288), (758, 26820), (894, 22740), (1137, 17880), (1192, 17055), (1341, 15160), (1490, 13644), (1516, 13410), (1788, 11370), (1895, 10728), (2235, 9096), (2274, 8940), (2682, 7580), (2980, 6822), (3032, 6705), (3411, 5960), (3576, 5685), (3790, 5364), (4470, 4548)]