20035680

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:181

約数の個数: 192

約数和(自身を含む): 74027520

約数和(自身を除く): 53991840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 67, 70, 80, 84, 89, 96, 105, 112, 120, 134, 140, 160, 168, 178, 201, 210, 224, 240, 267, 268, 280, 335, 336, 356, 402, 420, 445, 469, 480, 534, 536, 560, 623, 670, 672, 712, 804, 840, 890, 938, 1005, 1068, 1072, 1120, 1246, 1335, 1340, 1407, 1424, 1608, 1680, 1780, 1869, 1876, 2010, 2136, 2144, 2345, 2492, 2670, 2680, 2814, 2848, 3115, 3216, 3360, 3560, 3738, 3752, 4020, 4272, 4690, 4984, 5340, 5360, 5628, 5963, 6230, 6432, 7035, 7120, 7476, 7504, 8040, 8544, 9345, 9380, 9968, 10680, 10720, 11256, 11926, 12460, 14070, 14240, 14952, 15008, 16080, 17889, 18690, 18760, 19936, 21360, 22512, 23852, 24920, 28140, 29815, 29904, 32160, 35778, 37380, 37520, 41741, 42720, 45024, 47704, 49840, 56280, 59630, 59808, 71556, 74760, 75040, 83482, 89445, 95408, 99680, 112560, 119260, 125223, 143112, 149520, 166964, 178890, 190816, 208705, 225120, 238520, 250446, 286224, 299040, 333928, 357780, 417410, 477040, 500892, 572448, 626115, 667856, 715560, 834820, 954080, 1001784, 1252230, 1335712, 1431120, 1669640, 2003568, 2504460, 2862240, 3339280, 4007136, 5008920, 6678560, 10017840, 20035680]

約数ペア:

[(1, 20035680), (2, 10017840), (3, 6678560), (4, 5008920), (5, 4007136), (6, 3339280), (7, 2862240), (8, 2504460), (10, 2003568), (12, 1669640), (14, 1431120), (15, 1335712), (16, 1252230), (20, 1001784), (21, 954080), (24, 834820), (28, 715560), (30, 667856), (32, 626115), (35, 572448), (40, 500892), (42, 477040), (48, 417410), (56, 357780), (60, 333928), (67, 299040), (70, 286224), (80, 250446), (84, 238520), (89, 225120), (96, 208705), (105, 190816), (112, 178890), (120, 166964), (134, 149520), (140, 143112), (160, 125223), (168, 119260), (178, 112560), (201, 99680), (210, 95408), (224, 89445), (240, 83482), (267, 75040), (268, 74760), (280, 71556), (335, 59808), (336, 59630), (356, 56280), (402, 49840), (420, 47704), (445, 45024), (469, 42720), (480, 41741), (534, 37520), (536, 37380), (560, 35778), (623, 32160), (670, 29904), (672, 29815), (712, 28140), (804, 24920), (840, 23852), (890, 22512), (938, 21360), (1005, 19936), (1068, 18760), (1072, 18690), (1120, 17889), (1246, 16080), (1335, 15008), (1340, 14952), (1407, 14240), (1424, 14070), (1608, 12460), (1680, 11926), (1780, 11256), (1869, 10720), (1876, 10680), (2010, 9968), (2136, 9380), (2144, 9345), (2345, 8544), (2492, 8040), (2670, 7504), (2680, 7476), (2814, 7120), (2848, 7035), (3115, 6432), (3216, 6230), (3360, 5963), (3560, 5628), (3738, 5360), (3752, 5340), (4020, 4984), (4272, 4690)]