20159904128

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1801}}^1$

素因数の和:1897

約数の個数: 192

約数和(自身を含む): 51104864160

約数和(自身を除く): 30944960032

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 64, 91, 104, 112, 124, 128, 182, 208, 217, 224, 248, 364, 403, 416, 434, 448, 496, 728, 806, 832, 868, 896, 961, 992, 1456, 1612, 1664, 1736, 1801, 1922, 1984, 2821, 2912, 3224, 3472, 3602, 3844, 3968, 5642, 5824, 6448, 6727, 6944, 7204, 7688, 11284, 11648, 12493, 12607, 12896, 13454, 13888, 14408, 15376, 22568, 23413, 24986, 25214, 25792, 26908, 27776, 28816, 30752, 45136, 46826, 49972, 50428, 51584, 53816, 55831, 57632, 61504, 87451, 90272, 93652, 99944, 100856, 107632, 111662, 115264, 123008, 163891, 174902, 180544, 187304, 199888, 201712, 215264, 223324, 230528, 327782, 349804, 361088, 374608, 390817, 399776, 403424, 430528, 446648, 655564, 699608, 725803, 749216, 781634, 799552, 806848, 861056, 893296, 1311128, 1399216, 1451606, 1498432, 1563268, 1599104, 1613696, 1730761, 1786592, 2622256, 2798432, 2903212, 2996864, 3126536, 3461522, 3573184, 5080621, 5244512, 5596864, 5806424, 6253072, 6923044, 7146368, 10161242, 10489024, 11193728, 11612848, 12115327, 12506144, 13846088, 20322484, 20978048, 22499893, 23225696, 24230654, 25012288, 27692176, 40644968, 44999786, 46451392, 48461308, 50024576, 55384352, 81289936, 89999572, 92902784, 96922616, 110768704, 157499251, 162579872, 179999144, 193845232, 221537408, 314998502, 325159744, 359998288, 387690464, 629997004, 650319488, 719996576, 775380928, 1259994008, 1439993152, 1550761856, 2519988016, 2879986304, 5039976032, 10079952064, 20159904128]

約数ペア:

[(1, 20159904128), (2, 10079952064), (4, 5039976032), (7, 2879986304), (8, 2519988016), (13, 1550761856), (14, 1439993152), (16, 1259994008), (26, 775380928), (28, 719996576), (31, 650319488), (32, 629997004), (52, 387690464), (56, 359998288), (62, 325159744), (64, 314998502), (91, 221537408), (104, 193845232), (112, 179999144), (124, 162579872), (128, 157499251), (182, 110768704), (208, 96922616), (217, 92902784), (224, 89999572), (248, 81289936), (364, 55384352), (403, 50024576), (416, 48461308), (434, 46451392), (448, 44999786), (496, 40644968), (728, 27692176), (806, 25012288), (832, 24230654), (868, 23225696), (896, 22499893), (961, 20978048), (992, 20322484), (1456, 13846088), (1612, 12506144), (1664, 12115327), (1736, 11612848), (1801, 11193728), (1922, 10489024), (1984, 10161242), (2821, 7146368), (2912, 6923044), (3224, 6253072), (3472, 5806424), (3602, 5596864), (3844, 5244512), (3968, 5080621), (5642, 3573184), (5824, 3461522), (6448, 3126536), (6727, 2996864), (6944, 2903212), (7204, 2798432), (7688, 2622256), (11284, 1786592), (11648, 1730761), (12493, 1613696), (12607, 1599104), (12896, 1563268), (13454, 1498432), (13888, 1451606), (14408, 1399216), (15376, 1311128), (22568, 893296), (23413, 861056), (24986, 806848), (25214, 799552), (25792, 781634), (26908, 749216), (27776, 725803), (28816, 699608), (30752, 655564), (45136, 446648), (46826, 430528), (49972, 403424), (50428, 399776), (51584, 390817), (53816, 374608), (55831, 361088), (57632, 349804), (61504, 327782), (87451, 230528), (90272, 223324), (93652, 215264), (99944, 201712), (100856, 199888), (107632, 187304), (111662, 180544), (115264, 174902), (123008, 163891)]