20976384

素因数分解:

$2^8\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1$

素因数の和:234

約数の個数: 144

約数和(自身を含む): 65931264

約数和(自身を除く): 44954880

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 32, 33, 39, 44, 48, 52, 64, 66, 78, 88, 96, 104, 128, 132, 143, 156, 176, 191, 192, 208, 256, 264, 286, 312, 352, 382, 384, 416, 429, 528, 572, 573, 624, 704, 764, 768, 832, 858, 1056, 1144, 1146, 1248, 1408, 1528, 1664, 1716, 2101, 2112, 2288, 2292, 2483, 2496, 2816, 3056, 3328, 3432, 4202, 4224, 4576, 4584, 4966, 4992, 6112, 6303, 6864, 7449, 8404, 8448, 9152, 9168, 9932, 9984, 12224, 12606, 13728, 14898, 16808, 18304, 18336, 19864, 24448, 25212, 27313, 27456, 29796, 33616, 36608, 36672, 39728, 48896, 50424, 54626, 54912, 59592, 67232, 73344, 79456, 81939, 100848, 109252, 109824, 119184, 134464, 146688, 158912, 163878, 201696, 218504, 238368, 268928, 317824, 327756, 403392, 437008, 476736, 537856, 635648, 655512, 806784, 874016, 953472, 1311024, 1613568, 1748032, 1906944, 2622048, 3496064, 5244096, 6992128, 10488192, 20976384]

約数ペア:

[(1, 20976384), (2, 10488192), (3, 6992128), (4, 5244096), (6, 3496064), (8, 2622048), (11, 1906944), (12, 1748032), (13, 1613568), (16, 1311024), (22, 953472), (24, 874016), (26, 806784), (32, 655512), (33, 635648), (39, 537856), (44, 476736), (48, 437008), (52, 403392), (64, 327756), (66, 317824), (78, 268928), (88, 238368), (96, 218504), (104, 201696), (128, 163878), (132, 158912), (143, 146688), (156, 134464), (176, 119184), (191, 109824), (192, 109252), (208, 100848), (256, 81939), (264, 79456), (286, 73344), (312, 67232), (352, 59592), (382, 54912), (384, 54626), (416, 50424), (429, 48896), (528, 39728), (572, 36672), (573, 36608), (624, 33616), (704, 29796), (764, 27456), (768, 27313), (832, 25212), (858, 24448), (1056, 19864), (1144, 18336), (1146, 18304), (1248, 16808), (1408, 14898), (1528, 13728), (1664, 12606), (1716, 12224), (2101, 9984), (2112, 9932), (2288, 9168), (2292, 9152), (2483, 8448), (2496, 8404), (2816, 7449), (3056, 6864), (3328, 6303), (3432, 6112), (4202, 4992), (4224, 4966), (4576, 4584)]