20958624

素因数分解:

$2^5\times 3^2\times {\mathrm{61}}^1\times {\mathrm{1193}}^1$

素因数の和:1270

約数の個数: 72

約数和(自身を含む): 60628932

約数和(自身を除く): 39670308

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 61, 72, 96, 122, 144, 183, 244, 288, 366, 488, 549, 732, 976, 1098, 1193, 1464, 1952, 2196, 2386, 2928, 3579, 4392, 4772, 5856, 7158, 8784, 9544, 10737, 14316, 17568, 19088, 21474, 28632, 38176, 42948, 57264, 72773, 85896, 114528, 145546, 171792, 218319, 291092, 343584, 436638, 582184, 654957, 873276, 1164368, 1309914, 1746552, 2328736, 2619828, 3493104, 5239656, 6986208, 10479312, 20958624]

約数ペア:

[(1, 20958624), (2, 10479312), (3, 6986208), (4, 5239656), (6, 3493104), (8, 2619828), (9, 2328736), (12, 1746552), (16, 1309914), (18, 1164368), (24, 873276), (32, 654957), (36, 582184), (48, 436638), (61, 343584), (72, 291092), (96, 218319), (122, 171792), (144, 145546), (183, 114528), (244, 85896), (288, 72773), (366, 57264), (488, 42948), (549, 38176), (732, 28632), (976, 21474), (1098, 19088), (1193, 17568), (1464, 14316), (1952, 10737), (2196, 9544), (2386, 8784), (2928, 7158), (3579, 5856), (4392, 4772)]