20398464

素因数分解:

$2^7\times 3^2\times {\mathrm{17707}}^1$

素因数の和:17727

約数の個数: 48

約数和(自身を含む): 58702020

約数和(自身を除く): 38303556

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 288, 384, 576, 1152, 17707, 35414, 53121, 70828, 106242, 141656, 159363, 212484, 283312, 318726, 424968, 566624, 637452, 849936, 1133248, 1274904, 1699872, 2266496, 2549808, 3399744, 5099616, 6799488, 10199232, 20398464]

約数ペア:

[(1, 20398464), (2, 10199232), (3, 6799488), (4, 5099616), (6, 3399744), (8, 2549808), (9, 2266496), (12, 1699872), (16, 1274904), (18, 1133248), (24, 849936), (32, 637452), (36, 566624), (48, 424968), (64, 318726), (72, 283312), (96, 212484), (128, 159363), (144, 141656), (192, 106242), (288, 70828), (384, 53121), (576, 35414), (1152, 17707)]