20495712

素因数分解:

$2^5\times 3^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:212

約数の個数: 96

約数和(自身を含む): 56899584

約数和(自身を除く): 36403872

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 71, 93, 96, 97, 124, 142, 186, 194, 213, 248, 284, 291, 372, 388, 426, 496, 568, 582, 744, 776, 852, 992, 1136, 1164, 1488, 1552, 1704, 2201, 2272, 2328, 2976, 3007, 3104, 3408, 4402, 4656, 6014, 6603, 6816, 6887, 8804, 9021, 9312, 12028, 13206, 13774, 17608, 18042, 20661, 24056, 26412, 27548, 35216, 36084, 41322, 48112, 52824, 55096, 70432, 72168, 82644, 96224, 105648, 110192, 144336, 165288, 211296, 213497, 220384, 288672, 330576, 426994, 640491, 661152, 853988, 1280982, 1707976, 2561964, 3415952, 5123928, 6831904, 10247856, 20495712]

約数ペア:

[(1, 20495712), (2, 10247856), (3, 6831904), (4, 5123928), (6, 3415952), (8, 2561964), (12, 1707976), (16, 1280982), (24, 853988), (31, 661152), (32, 640491), (48, 426994), (62, 330576), (71, 288672), (93, 220384), (96, 213497), (97, 211296), (124, 165288), (142, 144336), (186, 110192), (194, 105648), (213, 96224), (248, 82644), (284, 72168), (291, 70432), (372, 55096), (388, 52824), (426, 48112), (496, 41322), (568, 36084), (582, 35216), (744, 27548), (776, 26412), (852, 24056), (992, 20661), (1136, 18042), (1164, 17608), (1488, 13774), (1552, 13206), (1704, 12028), (2201, 9312), (2272, 9021), (2328, 8804), (2976, 6887), (3007, 6816), (3104, 6603), (3408, 6014), (4402, 4656)]