20161986208

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{461}}^1\times {\mathrm{653}}^1$

素因数の和:1167

約数の個数: 192

約数和(自身を含む): 51166950912

約数和(自身を除く): 31004964704

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 23, 26, 28, 32, 46, 52, 56, 91, 92, 104, 112, 161, 182, 184, 208, 224, 299, 322, 364, 368, 416, 461, 598, 644, 653, 728, 736, 922, 1196, 1288, 1306, 1456, 1844, 2093, 2392, 2576, 2612, 2912, 3227, 3688, 4186, 4571, 4784, 5152, 5224, 5993, 6454, 7376, 8372, 8489, 9142, 9568, 10448, 10603, 11986, 12908, 14752, 15019, 16744, 16978, 18284, 20896, 21206, 23972, 25816, 30038, 33488, 33956, 36568, 41951, 42412, 47944, 51632, 59423, 60076, 66976, 67912, 73136, 74221, 83902, 84824, 95888, 103264, 105133, 118846, 120152, 135824, 137839, 146272, 148442, 167804, 169648, 191776, 195247, 210266, 237692, 240304, 271648, 275678, 296884, 301033, 335608, 339296, 390494, 420532, 475384, 480608, 551356, 593768, 602066, 671216, 780988, 841064, 950768, 964873, 1102712, 1187536, 1204132, 1342432, 1366729, 1561976, 1682128, 1901536, 1929746, 2107231, 2205424, 2375072, 2408264, 2733458, 3123952, 3364256, 3859492, 3913429, 4214462, 4410848, 4816528, 5466916, 6247904, 6923759, 7718984, 7826858, 8428924, 9633056, 10933832, 13847518, 15437968, 15653716, 16857848, 21867664, 27394003, 27695036, 30875936, 31307432, 33715696, 43735328, 48466313, 54788006, 55390072, 62614864, 67431392, 90008867, 96932626, 109576012, 110780144, 125229728, 180017734, 193865252, 219152024, 221560288, 360035468, 387730504, 438304048, 630062069, 720070936, 775461008, 876608096, 1260124138, 1440141872, 1550922016, 2520248276, 2880283744, 5040496552, 10080993104, 20161986208]

約数ペア:

[(1, 20161986208), (2, 10080993104), (4, 5040496552), (7, 2880283744), (8, 2520248276), (13, 1550922016), (14, 1440141872), (16, 1260124138), (23, 876608096), (26, 775461008), (28, 720070936), (32, 630062069), (46, 438304048), (52, 387730504), (56, 360035468), (91, 221560288), (92, 219152024), (104, 193865252), (112, 180017734), (161, 125229728), (182, 110780144), (184, 109576012), (208, 96932626), (224, 90008867), (299, 67431392), (322, 62614864), (364, 55390072), (368, 54788006), (416, 48466313), (461, 43735328), (598, 33715696), (644, 31307432), (653, 30875936), (728, 27695036), (736, 27394003), (922, 21867664), (1196, 16857848), (1288, 15653716), (1306, 15437968), (1456, 13847518), (1844, 10933832), (2093, 9633056), (2392, 8428924), (2576, 7826858), (2612, 7718984), (2912, 6923759), (3227, 6247904), (3688, 5466916), (4186, 4816528), (4571, 4410848), (4784, 4214462), (5152, 3913429), (5224, 3859492), (5993, 3364256), (6454, 3123952), (7376, 2733458), (8372, 2408264), (8489, 2375072), (9142, 2205424), (9568, 2107231), (10448, 1929746), (10603, 1901536), (11986, 1682128), (12908, 1561976), (14752, 1366729), (15019, 1342432), (16744, 1204132), (16978, 1187536), (18284, 1102712), (20896, 964873), (21206, 950768), (23972, 841064), (25816, 780988), (30038, 671216), (33488, 602066), (33956, 593768), (36568, 551356), (41951, 480608), (42412, 475384), (47944, 420532), (51632, 390494), (59423, 339296), (60076, 335608), (66976, 301033), (67912, 296884), (73136, 275678), (74221, 271648), (83902, 240304), (84824, 237692), (95888, 210266), (103264, 195247), (105133, 191776), (118846, 169648), (120152, 167804), (135824, 148442), (137839, 146272)]