20791059328

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{1579}}^1$

素因数の和:1840

約数の個数: 128

約数和(自身を含む): 45959608800

約数和(自身を除く): 25168549472

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 64, 82, 104, 128, 164, 193, 208, 328, 386, 416, 533, 656, 772, 832, 1066, 1312, 1544, 1579, 1664, 2132, 2509, 2624, 3088, 3158, 4264, 5018, 5248, 6176, 6316, 7913, 8528, 10036, 12352, 12632, 15826, 17056, 20072, 20527, 24704, 25264, 31652, 34112, 40144, 41054, 50528, 63304, 64739, 68224, 80288, 82108, 101056, 102869, 126608, 129478, 160576, 164216, 202112, 205738, 253216, 258956, 304747, 321152, 328432, 411476, 506432, 517912, 609494, 656864, 822952, 841607, 1012864, 1035824, 1218988, 1313728, 1645904, 1683214, 2071648, 2437976, 2627456, 3291808, 3366428, 3961711, 4143296, 4875952, 6583616, 6732856, 7923422, 8286592, 9751904, 12494627, 13167232, 13465712, 15846844, 19503808, 24989254, 26931424, 31693688, 39007616, 49978508, 53862848, 63387376, 99957016, 107725696, 126774752, 162430151, 199914032, 253549504, 324860302, 399828064, 507099008, 649720604, 799656128, 1299441208, 1599312256, 2598882416, 5197764832, 10395529664, 20791059328]

約数ペア:

[(1, 20791059328), (2, 10395529664), (4, 5197764832), (8, 2598882416), (13, 1599312256), (16, 1299441208), (26, 799656128), (32, 649720604), (41, 507099008), (52, 399828064), (64, 324860302), (82, 253549504), (104, 199914032), (128, 162430151), (164, 126774752), (193, 107725696), (208, 99957016), (328, 63387376), (386, 53862848), (416, 49978508), (533, 39007616), (656, 31693688), (772, 26931424), (832, 24989254), (1066, 19503808), (1312, 15846844), (1544, 13465712), (1579, 13167232), (1664, 12494627), (2132, 9751904), (2509, 8286592), (2624, 7923422), (3088, 6732856), (3158, 6583616), (4264, 4875952), (5018, 4143296), (5248, 3961711), (6176, 3366428), (6316, 3291808), (7913, 2627456), (8528, 2437976), (10036, 2071648), (12352, 1683214), (12632, 1645904), (15826, 1313728), (17056, 1218988), (20072, 1035824), (20527, 1012864), (24704, 841607), (25264, 822952), (31652, 656864), (34112, 609494), (40144, 517912), (41054, 506432), (50528, 411476), (63304, 328432), (64739, 321152), (68224, 304747), (80288, 258956), (82108, 253216), (101056, 205738), (102869, 202112), (126608, 164216), (129478, 160576)]