20853552

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:322

約数の個数: 80

約数和(自身を含む): 56782080

約数和(自身を除く): 35928528

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 48, 58, 71, 87, 116, 142, 174, 211, 213, 232, 284, 348, 422, 426, 464, 568, 633, 696, 844, 852, 1136, 1266, 1392, 1688, 1704, 2059, 2532, 3376, 3408, 4118, 5064, 6119, 6177, 8236, 10128, 12238, 12354, 14981, 16472, 18357, 24476, 24708, 29962, 32944, 36714, 44943, 48952, 49416, 59924, 73428, 89886, 97904, 98832, 119848, 146856, 179772, 239696, 293712, 359544, 434449, 719088, 868898, 1303347, 1737796, 2606694, 3475592, 5213388, 6951184, 10426776, 20853552]

約数ペア:

[(1, 20853552), (2, 10426776), (3, 6951184), (4, 5213388), (6, 3475592), (8, 2606694), (12, 1737796), (16, 1303347), (24, 868898), (29, 719088), (48, 434449), (58, 359544), (71, 293712), (87, 239696), (116, 179772), (142, 146856), (174, 119848), (211, 98832), (213, 97904), (232, 89886), (284, 73428), (348, 59924), (422, 49416), (426, 48952), (464, 44943), (568, 36714), (633, 32944), (696, 29962), (844, 24708), (852, 24476), (1136, 18357), (1266, 16472), (1392, 14981), (1688, 12354), (1704, 12238), (2059, 10128), (2532, 8236), (3376, 6177), (3408, 6119), (4118, 5064)]