20318760

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{733}}^1$

素因数の和:768

約数の個数: 192

約数和(自身を含む): 82442880

約数和(自身を除く): 62124120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 110, 120, 126, 132, 140, 154, 165, 168, 180, 198, 210, 220, 231, 252, 264, 280, 308, 315, 330, 360, 385, 396, 420, 440, 462, 495, 504, 616, 630, 660, 693, 733, 770, 792, 840, 924, 990, 1155, 1260, 1320, 1386, 1466, 1540, 1848, 1980, 2199, 2310, 2520, 2772, 2932, 3080, 3465, 3665, 3960, 4398, 4620, 5131, 5544, 5864, 6597, 6930, 7330, 8063, 8796, 9240, 10262, 10995, 13194, 13860, 14660, 15393, 16126, 17592, 20524, 21990, 24189, 25655, 26388, 27720, 29320, 30786, 32252, 32985, 40315, 41048, 43980, 46179, 48378, 51310, 52776, 56441, 61572, 64504, 65970, 72567, 76965, 80630, 87960, 92358, 96756, 102620, 112882, 120945, 123144, 131940, 145134, 153930, 161260, 169323, 184716, 193512, 205240, 225764, 230895, 241890, 263880, 282205, 290268, 307860, 322520, 338646, 362835, 369432, 451528, 461790, 483780, 507969, 564410, 580536, 615720, 677292, 725670, 846615, 923580, 967560, 1015938, 1128820, 1354584, 1451340, 1693230, 1847160, 2031876, 2257640, 2539845, 2902680, 3386460, 4063752, 5079690, 6772920, 10159380, 20318760]

約数ペア:

[(1, 20318760), (2, 10159380), (3, 6772920), (4, 5079690), (5, 4063752), (6, 3386460), (7, 2902680), (8, 2539845), (9, 2257640), (10, 2031876), (11, 1847160), (12, 1693230), (14, 1451340), (15, 1354584), (18, 1128820), (20, 1015938), (21, 967560), (22, 923580), (24, 846615), (28, 725670), (30, 677292), (33, 615720), (35, 580536), (36, 564410), (40, 507969), (42, 483780), (44, 461790), (45, 451528), (55, 369432), (56, 362835), (60, 338646), (63, 322520), (66, 307860), (70, 290268), (72, 282205), (77, 263880), (84, 241890), (88, 230895), (90, 225764), (99, 205240), (105, 193512), (110, 184716), (120, 169323), (126, 161260), (132, 153930), (140, 145134), (154, 131940), (165, 123144), (168, 120945), (180, 112882), (198, 102620), (210, 96756), (220, 92358), (231, 87960), (252, 80630), (264, 76965), (280, 72567), (308, 65970), (315, 64504), (330, 61572), (360, 56441), (385, 52776), (396, 51310), (420, 48378), (440, 46179), (462, 43980), (495, 41048), (504, 40315), (616, 32985), (630, 32252), (660, 30786), (693, 29320), (733, 27720), (770, 26388), (792, 25655), (840, 24189), (924, 21990), (990, 20524), (1155, 17592), (1260, 16126), (1320, 15393), (1386, 14660), (1466, 13860), (1540, 13194), (1848, 10995), (1980, 10262), (2199, 9240), (2310, 8796), (2520, 8063), (2772, 7330), (2932, 6930), (3080, 6597), (3465, 5864), (3665, 5544), (3960, 5131), (4398, 4620)]