20666832

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:121

約数の個数: 160

約数和(自身を含む): 62853120

約数和(自身を除く): 42186288

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 19, 24, 31, 34, 38, 43, 48, 51, 57, 62, 68, 76, 86, 93, 102, 114, 124, 129, 136, 152, 172, 186, 204, 228, 248, 258, 272, 304, 323, 344, 372, 408, 456, 496, 516, 527, 589, 646, 688, 731, 744, 816, 817, 912, 969, 1032, 1054, 1178, 1292, 1333, 1462, 1488, 1581, 1634, 1767, 1938, 2064, 2108, 2193, 2356, 2451, 2584, 2666, 2924, 3162, 3268, 3534, 3876, 3999, 4216, 4386, 4712, 4902, 5168, 5332, 5848, 6324, 6536, 7068, 7752, 7998, 8432, 8772, 9424, 9804, 10013, 10664, 11696, 12648, 13072, 13889, 14136, 15504, 15996, 17544, 19608, 20026, 21328, 22661, 25296, 25327, 27778, 28272, 30039, 31992, 35088, 39216, 40052, 41667, 45322, 50654, 55556, 60078, 63984, 67983, 75981, 80104, 83334, 90644, 101308, 111112, 120156, 135966, 151962, 160208, 166668, 181288, 202616, 222224, 240312, 271932, 303924, 333336, 362576, 405232, 430559, 480624, 543864, 607848, 666672, 861118, 1087728, 1215696, 1291677, 1722236, 2583354, 3444472, 5166708, 6888944, 10333416, 20666832]

約数ペア:

[(1, 20666832), (2, 10333416), (3, 6888944), (4, 5166708), (6, 3444472), (8, 2583354), (12, 1722236), (16, 1291677), (17, 1215696), (19, 1087728), (24, 861118), (31, 666672), (34, 607848), (38, 543864), (43, 480624), (48, 430559), (51, 405232), (57, 362576), (62, 333336), (68, 303924), (76, 271932), (86, 240312), (93, 222224), (102, 202616), (114, 181288), (124, 166668), (129, 160208), (136, 151962), (152, 135966), (172, 120156), (186, 111112), (204, 101308), (228, 90644), (248, 83334), (258, 80104), (272, 75981), (304, 67983), (323, 63984), (344, 60078), (372, 55556), (408, 50654), (456, 45322), (496, 41667), (516, 40052), (527, 39216), (589, 35088), (646, 31992), (688, 30039), (731, 28272), (744, 27778), (816, 25327), (817, 25296), (912, 22661), (969, 21328), (1032, 20026), (1054, 19608), (1178, 17544), (1292, 15996), (1333, 15504), (1462, 14136), (1488, 13889), (1581, 13072), (1634, 12648), (1767, 11696), (1938, 10664), (2064, 10013), (2108, 9804), (2193, 9424), (2356, 8772), (2451, 8432), (2584, 7998), (2666, 7752), (2924, 7068), (3162, 6536), (3268, 6324), (3534, 5848), (3876, 5332), (3999, 5168), (4216, 4902), (4386, 4712)]