20408088668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{467}}^1\times {\mathrm{1579}}^1$

素因数の和:2115

約数の個数: 96

約数和(自身を含む): 42485264640

約数和(自身を除く): 22077175972

約数列:

[1, 2, 4, 11, 17, 22, 34, 37, 44, 68, 74, 148, 187, 374, 407, 467, 629, 748, 814, 934, 1258, 1579, 1628, 1868, 2516, 3158, 5137, 6316, 6919, 7939, 10274, 13838, 15878, 17279, 17369, 20548, 26843, 27676, 31756, 34558, 34738, 53686, 58423, 69116, 69476, 87329, 107372, 116846, 174658, 190069, 233692, 293743, 295273, 349316, 380138, 587486, 590546, 642653, 737393, 760276, 993191, 1174972, 1181092, 1285306, 1474786, 1986382, 2570612, 2949572, 3231173, 3972764, 6462346, 8111323, 10925101, 12535681, 12924692, 16222646, 21850202, 25071362, 27283541, 32445292, 43700404, 50142724, 54567082, 109134164, 137892491, 275784982, 300118951, 463820197, 551569964, 600237902, 927640394, 1200475804, 1855280788, 5102022167, 10204044334, 20408088668]

約数ペア:

[(1, 20408088668), (2, 10204044334), (4, 5102022167), (11, 1855280788), (17, 1200475804), (22, 927640394), (34, 600237902), (37, 551569964), (44, 463820197), (68, 300118951), (74, 275784982), (148, 137892491), (187, 109134164), (374, 54567082), (407, 50142724), (467, 43700404), (629, 32445292), (748, 27283541), (814, 25071362), (934, 21850202), (1258, 16222646), (1579, 12924692), (1628, 12535681), (1868, 10925101), (2516, 8111323), (3158, 6462346), (5137, 3972764), (6316, 3231173), (6919, 2949572), (7939, 2570612), (10274, 1986382), (13838, 1474786), (15878, 1285306), (17279, 1181092), (17369, 1174972), (20548, 993191), (26843, 760276), (27676, 737393), (31756, 642653), (34558, 590546), (34738, 587486), (53686, 380138), (58423, 349316), (69116, 295273), (69476, 293743), (87329, 233692), (107372, 190069), (116846, 174658)]