20156254816

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1\times {\mathrm{2441}}^1$

素因数の和:2864

約数の個数: 96

約数和(自身を含む): 43133495328

約数和(自身を除く): 22977240512

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 43, 68, 86, 136, 172, 272, 344, 353, 544, 688, 706, 731, 1376, 1412, 1462, 2441, 2824, 2924, 4882, 5648, 5848, 6001, 9764, 11296, 11696, 12002, 15179, 19528, 23392, 24004, 30358, 39056, 41497, 48008, 60716, 78112, 82994, 96016, 104963, 121432, 165988, 192032, 209926, 242864, 258043, 331976, 419852, 485728, 516086, 663952, 839704, 861673, 1032172, 1327904, 1679408, 1723346, 1784371, 2064344, 3358816, 3446692, 3568742, 4128688, 6893384, 7137484, 8257376, 13786768, 14274968, 14648441, 27573536, 28549936, 29296882, 37051939, 57099872, 58593764, 74103878, 117187528, 148207756, 234375056, 296415512, 468750112, 592831024, 629882963, 1185662048, 1259765926, 2519531852, 5039063704, 10078127408, 20156254816]

約数ペア:

[(1, 20156254816), (2, 10078127408), (4, 5039063704), (8, 2519531852), (16, 1259765926), (17, 1185662048), (32, 629882963), (34, 592831024), (43, 468750112), (68, 296415512), (86, 234375056), (136, 148207756), (172, 117187528), (272, 74103878), (344, 58593764), (353, 57099872), (544, 37051939), (688, 29296882), (706, 28549936), (731, 27573536), (1376, 14648441), (1412, 14274968), (1462, 13786768), (2441, 8257376), (2824, 7137484), (2924, 6893384), (4882, 4128688), (5648, 3568742), (5848, 3446692), (6001, 3358816), (9764, 2064344), (11296, 1784371), (11696, 1723346), (12002, 1679408), (15179, 1327904), (19528, 1032172), (23392, 861673), (24004, 839704), (30358, 663952), (39056, 516086), (41497, 485728), (48008, 419852), (60716, 331976), (78112, 258043), (82994, 242864), (96016, 209926), (104963, 192032), (121432, 165988)]