20399376

素因数分解:

$2^4\times 3^1\times {\mathrm{61}}^1\times {\mathrm{6967}}^1$

素因数の和:7039

約数の個数: 40

約数和(自身を含む): 53569984

約数和(自身を除く): 33170608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 61, 122, 183, 244, 366, 488, 732, 976, 1464, 2928, 6967, 13934, 20901, 27868, 41802, 55736, 83604, 111472, 167208, 334416, 424987, 849974, 1274961, 1699948, 2549922, 3399896, 5099844, 6799792, 10199688, 20399376]

約数ペア:

[(1, 20399376), (2, 10199688), (3, 6799792), (4, 5099844), (6, 3399896), (8, 2549922), (12, 1699948), (16, 1274961), (24, 849974), (48, 424987), (61, 334416), (122, 167208), (183, 111472), (244, 83604), (366, 55736), (488, 41802), (732, 27868), (976, 20901), (1464, 13934), (2928, 6967)]