20272560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1097}}^1$

素因数の和:1131

約数の個数: 160

約数和(自身を含む): 78423552

約数和(自身を除く): 58150992

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 105, 110, 112, 120, 132, 140, 154, 165, 168, 176, 210, 220, 231, 240, 264, 280, 308, 330, 336, 385, 420, 440, 462, 528, 560, 616, 660, 770, 840, 880, 924, 1097, 1155, 1232, 1320, 1540, 1680, 1848, 2194, 2310, 2640, 3080, 3291, 3696, 4388, 4620, 5485, 6160, 6582, 7679, 8776, 9240, 10970, 12067, 13164, 15358, 16455, 17552, 18480, 21940, 23037, 24134, 26328, 30716, 32910, 36201, 38395, 43880, 46074, 48268, 52656, 60335, 61432, 65820, 72402, 76790, 84469, 87760, 92148, 96536, 115185, 120670, 122864, 131640, 144804, 153580, 168938, 181005, 184296, 193072, 230370, 241340, 253407, 263280, 289608, 307160, 337876, 362010, 368592, 422345, 460740, 482680, 506814, 579216, 614320, 675752, 724020, 844690, 921480, 965360, 1013628, 1267035, 1351504, 1448040, 1689380, 1842960, 2027256, 2534070, 2896080, 3378760, 4054512, 5068140, 6757520, 10136280, 20272560]

約数ペア:

[(1, 20272560), (2, 10136280), (3, 6757520), (4, 5068140), (5, 4054512), (6, 3378760), (7, 2896080), (8, 2534070), (10, 2027256), (11, 1842960), (12, 1689380), (14, 1448040), (15, 1351504), (16, 1267035), (20, 1013628), (21, 965360), (22, 921480), (24, 844690), (28, 724020), (30, 675752), (33, 614320), (35, 579216), (40, 506814), (42, 482680), (44, 460740), (48, 422345), (55, 368592), (56, 362010), (60, 337876), (66, 307160), (70, 289608), (77, 263280), (80, 253407), (84, 241340), (88, 230370), (105, 193072), (110, 184296), (112, 181005), (120, 168938), (132, 153580), (140, 144804), (154, 131640), (165, 122864), (168, 120670), (176, 115185), (210, 96536), (220, 92148), (231, 87760), (240, 84469), (264, 76790), (280, 72402), (308, 65820), (330, 61432), (336, 60335), (385, 52656), (420, 48268), (440, 46074), (462, 43880), (528, 38395), (560, 36201), (616, 32910), (660, 30716), (770, 26328), (840, 24134), (880, 23037), (924, 21940), (1097, 18480), (1155, 17552), (1232, 16455), (1320, 15358), (1540, 13164), (1680, 12067), (1848, 10970), (2194, 9240), (2310, 8776), (2640, 7679), (3080, 6582), (3291, 6160), (3696, 5485), (4388, 4620)]