20551232

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1453}}^1$

素因数の和:1495

約数の個数: 56

約数和(自身を含む): 46533816

約数和(自身を除く): 25982584

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 136, 208, 221, 272, 416, 442, 544, 832, 884, 1088, 1453, 1768, 2906, 3536, 5812, 7072, 11624, 14144, 18889, 23248, 24701, 37778, 46496, 49402, 75556, 92992, 98804, 151112, 197608, 302224, 321113, 395216, 604448, 642226, 790432, 1208896, 1284452, 1580864, 2568904, 5137808, 10275616, 20551232]

約数ペア:

[(1, 20551232), (2, 10275616), (4, 5137808), (8, 2568904), (13, 1580864), (16, 1284452), (17, 1208896), (26, 790432), (32, 642226), (34, 604448), (52, 395216), (64, 321113), (68, 302224), (104, 197608), (136, 151112), (208, 98804), (221, 92992), (272, 75556), (416, 49402), (442, 46496), (544, 37778), (832, 24701), (884, 23248), (1088, 18889), (1453, 14144), (1768, 11624), (2906, 7072), (3536, 5812)]