20139576

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:356

約数の個数: 64

約数和(自身を含む): 52254720

約数和(自身を除く): 32115144

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 71, 106, 142, 159, 212, 213, 223, 284, 318, 424, 426, 446, 568, 636, 669, 852, 892, 1272, 1338, 1704, 1784, 2676, 3763, 5352, 7526, 11289, 11819, 15052, 15833, 22578, 23638, 30104, 31666, 35457, 45156, 47276, 47499, 63332, 70914, 90312, 94552, 94998, 126664, 141828, 189996, 283656, 379992, 839149, 1678298, 2517447, 3356596, 5034894, 6713192, 10069788, 20139576]

約数ペア:

[(1, 20139576), (2, 10069788), (3, 6713192), (4, 5034894), (6, 3356596), (8, 2517447), (12, 1678298), (24, 839149), (53, 379992), (71, 283656), (106, 189996), (142, 141828), (159, 126664), (212, 94998), (213, 94552), (223, 90312), (284, 70914), (318, 63332), (424, 47499), (426, 47276), (446, 45156), (568, 35457), (636, 31666), (669, 30104), (852, 23638), (892, 22578), (1272, 15833), (1338, 15052), (1704, 11819), (1784, 11289), (2676, 7526), (3763, 5352)]