20471448

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{439}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 53856000

約数和(自身を除く): 33384552

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 58, 67, 87, 116, 134, 174, 201, 232, 268, 348, 402, 439, 536, 696, 804, 878, 1317, 1608, 1756, 1943, 2634, 3512, 3886, 5268, 5829, 7772, 10536, 11658, 12731, 15544, 23316, 25462, 29413, 38193, 46632, 50924, 58826, 76386, 88239, 101848, 117652, 152772, 176478, 235304, 305544, 352956, 705912, 852977, 1705954, 2558931, 3411908, 5117862, 6823816, 10235724, 20471448]

約数ペア:

[(1, 20471448), (2, 10235724), (3, 6823816), (4, 5117862), (6, 3411908), (8, 2558931), (12, 1705954), (24, 852977), (29, 705912), (58, 352956), (67, 305544), (87, 235304), (116, 176478), (134, 152772), (174, 117652), (201, 101848), (232, 88239), (268, 76386), (348, 58826), (402, 50924), (439, 46632), (536, 38193), (696, 29413), (804, 25462), (878, 23316), (1317, 15544), (1608, 12731), (1756, 11658), (1943, 10536), (2634, 7772), (3512, 5829), (3886, 5268)]