20929239968

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{15727}}^1$

素因数の和:16214

約数の個数: 96

約数和(自身を含む): 50827359744

約数和(自身を除く): 29898119776

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 457, 728, 914, 1456, 1828, 2912, 3199, 3656, 5941, 6398, 7312, 11882, 12796, 14624, 15727, 23764, 25592, 31454, 41587, 47528, 51184, 62908, 83174, 95056, 102368, 110089, 125816, 166348, 190112, 204451, 220178, 251632, 332696, 408902, 440356, 503264, 665392, 817804, 880712, 1330784, 1431157, 1635608, 1761424, 2862314, 3271216, 3522848, 5724628, 6542432, 7187239, 11449256, 14374478, 22898512, 28748956, 45797024, 50310673, 57497912, 93434107, 100621346, 114995824, 186868214, 201242692, 229991648, 373736428, 402485384, 654038749, 747472856, 804970768, 1308077498, 1494945712, 1609941536, 2616154996, 2989891424, 5232309992, 10464619984, 20929239968]

約数ペア:

[(1, 20929239968), (2, 10464619984), (4, 5232309992), (7, 2989891424), (8, 2616154996), (13, 1609941536), (14, 1494945712), (16, 1308077498), (26, 804970768), (28, 747472856), (32, 654038749), (52, 402485384), (56, 373736428), (91, 229991648), (104, 201242692), (112, 186868214), (182, 114995824), (208, 100621346), (224, 93434107), (364, 57497912), (416, 50310673), (457, 45797024), (728, 28748956), (914, 22898512), (1456, 14374478), (1828, 11449256), (2912, 7187239), (3199, 6542432), (3656, 5724628), (5941, 3522848), (6398, 3271216), (7312, 2862314), (11882, 1761424), (12796, 1635608), (14624, 1431157), (15727, 1330784), (23764, 880712), (25592, 817804), (31454, 665392), (41587, 503264), (47528, 440356), (51184, 408902), (62908, 332696), (83174, 251632), (95056, 220178), (102368, 204451), (110089, 190112), (125816, 166348)]