20675248

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1487}}^1$

素因数の和:1585

約数の個数: 40

約数和(自身を含む): 44282880

約数和(自身を除く): 23607632

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 79, 88, 158, 176, 316, 632, 869, 1264, 1487, 1738, 2974, 3476, 5948, 6952, 11896, 13904, 16357, 23792, 32714, 65428, 117473, 130856, 234946, 261712, 469892, 939784, 1292203, 1879568, 2584406, 5168812, 10337624, 20675248]

約数ペア:

[(1, 20675248), (2, 10337624), (4, 5168812), (8, 2584406), (11, 1879568), (16, 1292203), (22, 939784), (44, 469892), (79, 261712), (88, 234946), (158, 130856), (176, 117473), (316, 65428), (632, 32714), (869, 23792), (1264, 16357), (1487, 13904), (1738, 11896), (2974, 6952), (3476, 5948)]