20320912

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{30977}}^1$

素因数の和:31026

約数の個数: 20

約数和(自身を含む): 40333356

約数和(自身を除く): 20012444

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 30977, 61954, 123908, 247816, 495632, 1270057, 2540114, 5080228, 10160456, 20320912]

約数ペア:

[(1, 20320912), (2, 10160456), (4, 5080228), (8, 2540114), (16, 1270057), (41, 495632), (82, 247816), (164, 123908), (328, 61954), (656, 30977)]