20544120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{383}}^1$

素因数の和:549

約数の個数: 96

約数和(自身を含む): 67392000

約数和(自身を除く): 46847880

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, 383, 447, 596, 745, 766, 894, 1149, 1192, 1341, 1490, 1532, 1788, 1915, 2235, 2298, 2682, 2980, 3064, 3447, 3576, 3830, 4470, 4596, 5364, 5745, 5960, 6705, 6894, 7660, 8940, 9192, 10728, 11490, 13410, 13788, 15320, 17235, 17880, 22980, 26820, 27576, 34470, 45960, 53640, 57067, 68940, 114134, 137880, 171201, 228268, 285335, 342402, 456536, 513603, 570670, 684804, 856005, 1027206, 1141340, 1369608, 1712010, 2054412, 2282680, 2568015, 3424020, 4108824, 5136030, 6848040, 10272060, 20544120]

約数ペア:

[(1, 20544120), (2, 10272060), (3, 6848040), (4, 5136030), (5, 4108824), (6, 3424020), (8, 2568015), (9, 2282680), (10, 2054412), (12, 1712010), (15, 1369608), (18, 1141340), (20, 1027206), (24, 856005), (30, 684804), (36, 570670), (40, 513603), (45, 456536), (60, 342402), (72, 285335), (90, 228268), (120, 171201), (149, 137880), (180, 114134), (298, 68940), (360, 57067), (383, 53640), (447, 45960), (596, 34470), (745, 27576), (766, 26820), (894, 22980), (1149, 17880), (1192, 17235), (1341, 15320), (1490, 13788), (1532, 13410), (1788, 11490), (1915, 10728), (2235, 9192), (2298, 8940), (2682, 7660), (2980, 6894), (3064, 6705), (3447, 5960), (3576, 5745), (3830, 5364), (4470, 4596)]