20706915136

素因数分解:

$2^6\times {\mathrm{53}}^1\times {\mathrm{331}}^1\times {\mathrm{18443}}^1$

素因数の和:18839

約数の個数: 56

約数和(自身を含む): 41994332064

約数和(自身を除く): 21287416928

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 212, 331, 424, 662, 848, 1324, 1696, 2648, 3392, 5296, 10592, 17543, 18443, 21184, 35086, 36886, 70172, 73772, 140344, 147544, 280688, 295088, 561376, 590176, 977479, 1122752, 1180352, 1954958, 3909916, 6104633, 7819832, 12209266, 15639664, 24418532, 31279328, 48837064, 62558656, 97674128, 195348256, 323545549, 390696512, 647091098, 1294182196, 2588364392, 5176728784, 10353457568, 20706915136]

約数ペア:

[(1, 20706915136), (2, 10353457568), (4, 5176728784), (8, 2588364392), (16, 1294182196), (32, 647091098), (53, 390696512), (64, 323545549), (106, 195348256), (212, 97674128), (331, 62558656), (424, 48837064), (662, 31279328), (848, 24418532), (1324, 15639664), (1696, 12209266), (2648, 7819832), (3392, 6104633), (5296, 3909916), (10592, 1954958), (17543, 1180352), (18443, 1122752), (21184, 977479), (35086, 590176), (36886, 561376), (70172, 295088), (73772, 280688), (140344, 147544)]