20004912

素因数分解:

$2^4\times 3^2\times {\mathrm{138923}}^1$

素因数の和:138937

約数の個数: 30

約数和(自身を含む): 55986372

約数和(自身を除く): 35981460

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 138923, 277846, 416769, 555692, 833538, 1111384, 1250307, 1667076, 2222768, 2500614, 3334152, 5001228, 6668304, 10002456, 20004912]

約数ペア:

[(1, 20004912), (2, 10002456), (3, 6668304), (4, 5001228), (6, 3334152), (8, 2500614), (9, 2222768), (12, 1667076), (16, 1250307), (18, 1111384), (24, 833538), (36, 555692), (48, 416769), (72, 277846), (144, 138923)]