20155388704

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^2$

素因数の和:459

約数の個数: 144

約数和(自身を含む): 45910017216

約数和(自身を除く): 25754628512

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 32, 44, 46, 88, 92, 101, 157, 176, 184, 202, 253, 314, 352, 368, 404, 506, 628, 736, 808, 1012, 1111, 1256, 1616, 1727, 2024, 2222, 2323, 2512, 3232, 3454, 3611, 4048, 4444, 4646, 5024, 6908, 7222, 8096, 8888, 9292, 13816, 14444, 15857, 17776, 18584, 24649, 25553, 27632, 28888, 31714, 35552, 37168, 39721, 49298, 51106, 55264, 57776, 63428, 74336, 79442, 98596, 102212, 115552, 126856, 158884, 174427, 197192, 204424, 253712, 271139, 317768, 348854, 364711, 394384, 408848, 507424, 542278, 566927, 635536, 697708, 729422, 788768, 817696, 1084556, 1133854, 1271072, 1395416, 1458844, 2169112, 2267708, 2489549, 2790832, 2917688, 4011821, 4338224, 4535416, 4979098, 5581664, 5835376, 6236197, 8023642, 8676448, 9070832, 9958196, 11670752, 12472394, 16047284, 18141664, 19916392, 24944788, 27385039, 32094568, 39832784, 49889576, 54770078, 57259627, 64189136, 79665568, 99779152, 109540156, 114519254, 128378272, 199558304, 219080312, 229038508, 438160624, 458077016, 629855897, 876321248, 916154032, 1259711794, 1832308064, 2519423588, 5038847176, 10077694352, 20155388704]

約数ペア:

[(1, 20155388704), (2, 10077694352), (4, 5038847176), (8, 2519423588), (11, 1832308064), (16, 1259711794), (22, 916154032), (23, 876321248), (32, 629855897), (44, 458077016), (46, 438160624), (88, 229038508), (92, 219080312), (101, 199558304), (157, 128378272), (176, 114519254), (184, 109540156), (202, 99779152), (253, 79665568), (314, 64189136), (352, 57259627), (368, 54770078), (404, 49889576), (506, 39832784), (628, 32094568), (736, 27385039), (808, 24944788), (1012, 19916392), (1111, 18141664), (1256, 16047284), (1616, 12472394), (1727, 11670752), (2024, 9958196), (2222, 9070832), (2323, 8676448), (2512, 8023642), (3232, 6236197), (3454, 5835376), (3611, 5581664), (4048, 4979098), (4444, 4535416), (4646, 4338224), (5024, 4011821), (6908, 2917688), (7222, 2790832), (8096, 2489549), (8888, 2267708), (9292, 2169112), (13816, 1458844), (14444, 1395416), (15857, 1271072), (17776, 1133854), (18584, 1084556), (24649, 817696), (25553, 788768), (27632, 729422), (28888, 697708), (31714, 635536), (35552, 566927), (37168, 542278), (39721, 507424), (49298, 408848), (51106, 394384), (55264, 364711), (57776, 348854), (63428, 317768), (74336, 271139), (79442, 253712), (98596, 204424), (102212, 197192), (115552, 174427), (126856, 158884)]