20390064

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:306

約数の個数: 80

約数和(自身を含む): 55425024

約数和(自身を除く): 35034960

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 71, 93, 124, 142, 186, 193, 213, 248, 284, 372, 386, 426, 496, 568, 579, 744, 772, 852, 1136, 1158, 1488, 1544, 1704, 2201, 2316, 3088, 3408, 4402, 4632, 5983, 6603, 8804, 9264, 11966, 13206, 13703, 17608, 17949, 23932, 26412, 27406, 35216, 35898, 41109, 47864, 52824, 54812, 71796, 82218, 95728, 105648, 109624, 143592, 164436, 219248, 287184, 328872, 424793, 657744, 849586, 1274379, 1699172, 2548758, 3398344, 5097516, 6796688, 10195032, 20390064]

約数ペア:

[(1, 20390064), (2, 10195032), (3, 6796688), (4, 5097516), (6, 3398344), (8, 2548758), (12, 1699172), (16, 1274379), (24, 849586), (31, 657744), (48, 424793), (62, 328872), (71, 287184), (93, 219248), (124, 164436), (142, 143592), (186, 109624), (193, 105648), (213, 95728), (248, 82218), (284, 71796), (372, 54812), (386, 52824), (426, 47864), (496, 41109), (568, 35898), (579, 35216), (744, 27406), (772, 26412), (852, 23932), (1136, 17949), (1158, 17608), (1488, 13703), (1544, 13206), (1704, 11966), (2201, 9264), (2316, 8804), (3088, 6603), (3408, 5983), (4402, 4632)]