20144205921

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{306763}}^1$

素因数の和:306885

約数の個数: 32

約数和(自身を含む): 31805291520

約数和(自身を除く): 11661085599

約数列:

[1, 3, 7, 21, 53, 59, 159, 177, 371, 413, 1113, 1239, 3127, 9381, 21889, 65667, 306763, 920289, 2147341, 6442023, 16258439, 18099017, 48775317, 54297051, 113809073, 126693119, 341427219, 380079357, 959247901, 2877743703, 6714735307, 20144205921]

約数ペア:

[(1, 20144205921), (3, 6714735307), (7, 2877743703), (21, 959247901), (53, 380079357), (59, 341427219), (159, 126693119), (177, 113809073), (371, 54297051), (413, 48775317), (1113, 18099017), (1239, 16258439), (3127, 6442023), (9381, 2147341), (21889, 920289), (65667, 306763)]