20484864

素因数分解:

$2^8\times 3^2\times {\mathrm{17}}^1\times {\mathrm{523}}^1$

素因数の和:562

約数の個数: 108

約数和(自身を含む): 62656776

約数和(自身を除く): 42171912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 48, 51, 64, 68, 72, 96, 102, 128, 136, 144, 153, 192, 204, 256, 272, 288, 306, 384, 408, 523, 544, 576, 612, 768, 816, 1046, 1088, 1152, 1224, 1569, 1632, 2092, 2176, 2304, 2448, 3138, 3264, 4184, 4352, 4707, 4896, 6276, 6528, 8368, 8891, 9414, 9792, 12552, 13056, 16736, 17782, 18828, 19584, 25104, 26673, 33472, 35564, 37656, 39168, 50208, 53346, 66944, 71128, 75312, 80019, 100416, 106692, 133888, 142256, 150624, 160038, 200832, 213384, 284512, 301248, 320076, 401664, 426768, 569024, 602496, 640152, 853536, 1138048, 1204992, 1280304, 1707072, 2276096, 2560608, 3414144, 5121216, 6828288, 10242432, 20484864]

約数ペア:

[(1, 20484864), (2, 10242432), (3, 6828288), (4, 5121216), (6, 3414144), (8, 2560608), (9, 2276096), (12, 1707072), (16, 1280304), (17, 1204992), (18, 1138048), (24, 853536), (32, 640152), (34, 602496), (36, 569024), (48, 426768), (51, 401664), (64, 320076), (68, 301248), (72, 284512), (96, 213384), (102, 200832), (128, 160038), (136, 150624), (144, 142256), (153, 133888), (192, 106692), (204, 100416), (256, 80019), (272, 75312), (288, 71128), (306, 66944), (384, 53346), (408, 50208), (523, 39168), (544, 37656), (576, 35564), (612, 33472), (768, 26673), (816, 25104), (1046, 19584), (1088, 18828), (1152, 17782), (1224, 16736), (1569, 13056), (1632, 12552), (2092, 9792), (2176, 9414), (2304, 8891), (2448, 8368), (3138, 6528), (3264, 6276), (4184, 4896), (4352, 4707)]