20521152

素因数分解:

$2^6\times 3^2\times {\mathrm{23}}^1\times {\mathrm{1549}}^1$

素因数の和:1590

約数の個数: 84

約数和(自身を含む): 61417200

約数和(自身を除く): 40896048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 64, 69, 72, 92, 96, 138, 144, 184, 192, 207, 276, 288, 368, 414, 552, 576, 736, 828, 1104, 1472, 1549, 1656, 2208, 3098, 3312, 4416, 4647, 6196, 6624, 9294, 12392, 13248, 13941, 18588, 24784, 27882, 35627, 37176, 49568, 55764, 71254, 74352, 99136, 106881, 111528, 142508, 148704, 213762, 223056, 285016, 297408, 320643, 427524, 446112, 570032, 641286, 855048, 892224, 1140064, 1282572, 1710096, 2280128, 2565144, 3420192, 5130288, 6840384, 10260576, 20521152]

約数ペア:

[(1, 20521152), (2, 10260576), (3, 6840384), (4, 5130288), (6, 3420192), (8, 2565144), (9, 2280128), (12, 1710096), (16, 1282572), (18, 1140064), (23, 892224), (24, 855048), (32, 641286), (36, 570032), (46, 446112), (48, 427524), (64, 320643), (69, 297408), (72, 285016), (92, 223056), (96, 213762), (138, 148704), (144, 142508), (184, 111528), (192, 106881), (207, 99136), (276, 74352), (288, 71254), (368, 55764), (414, 49568), (552, 37176), (576, 35627), (736, 27882), (828, 24784), (1104, 18588), (1472, 13941), (1549, 13248), (1656, 12392), (2208, 9294), (3098, 6624), (3312, 6196), (4416, 4647)]