20169890176

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{277}}^1\times {\mathrm{307}}^1$

素因数の和:724

約数の個数: 128

約数和(自身を含む): 43231557600

約数和(自身を除く): 23061667424

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 109, 128, 136, 218, 272, 277, 307, 436, 544, 554, 614, 872, 1088, 1108, 1228, 1744, 1853, 2176, 2216, 2456, 3488, 3706, 4432, 4709, 4912, 5219, 6976, 7412, 8864, 9418, 9824, 10438, 13952, 14824, 17728, 18836, 19648, 20876, 29648, 30193, 33463, 35456, 37672, 39296, 41752, 59296, 60386, 66926, 75344, 83504, 85039, 118592, 120772, 133852, 150688, 167008, 170078, 237184, 241544, 267704, 301376, 334016, 340156, 483088, 513281, 535408, 568871, 602752, 668032, 680312, 966176, 1026562, 1070816, 1137742, 1360624, 1445663, 1932352, 2053124, 2141632, 2275484, 2721248, 2891326, 3864704, 4106248, 4283264, 4550968, 5442496, 5782652, 8212496, 9101936, 9269251, 10884992, 11565304, 16424992, 18203872, 18538502, 23130608, 32849984, 36407744, 37077004, 46261216, 65699968, 72815488, 74154008, 92522432, 148308016, 157577267, 185044864, 296616032, 315154534, 593232064, 630309068, 1186464128, 1260618136, 2521236272, 5042472544, 10084945088, 20169890176]

約数ペア:

[(1, 20169890176), (2, 10084945088), (4, 5042472544), (8, 2521236272), (16, 1260618136), (17, 1186464128), (32, 630309068), (34, 593232064), (64, 315154534), (68, 296616032), (109, 185044864), (128, 157577267), (136, 148308016), (218, 92522432), (272, 74154008), (277, 72815488), (307, 65699968), (436, 46261216), (544, 37077004), (554, 36407744), (614, 32849984), (872, 23130608), (1088, 18538502), (1108, 18203872), (1228, 16424992), (1744, 11565304), (1853, 10884992), (2176, 9269251), (2216, 9101936), (2456, 8212496), (3488, 5782652), (3706, 5442496), (4432, 4550968), (4709, 4283264), (4912, 4106248), (5219, 3864704), (6976, 2891326), (7412, 2721248), (8864, 2275484), (9418, 2141632), (9824, 2053124), (10438, 1932352), (13952, 1445663), (14824, 1360624), (17728, 1137742), (18836, 1070816), (19648, 1026562), (20876, 966176), (29648, 680312), (30193, 668032), (33463, 602752), (35456, 568871), (37672, 535408), (39296, 513281), (41752, 483088), (59296, 340156), (60386, 334016), (66926, 301376), (75344, 267704), (83504, 241544), (85039, 237184), (118592, 170078), (120772, 167008), (133852, 150688)]