20176664545

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1\times {\mathrm{7789}}^1$

素因数の和:8065

約数の個数: 32

約数和(自身を含む): 25235112960

約数和(自身を除く): 5058448415

約数列:

[1, 5, 47, 73, 151, 235, 365, 755, 3431, 7097, 7789, 11023, 17155, 35485, 38945, 55115, 366083, 518081, 568597, 1176139, 1830415, 2590405, 2842985, 5880695, 26724059, 55278533, 85858147, 133620295, 276392665, 429290735, 4035332909, 20176664545]

約数ペア:

[(1, 20176664545), (5, 4035332909), (47, 429290735), (73, 276392665), (151, 133620295), (235, 85858147), (365, 55278533), (755, 26724059), (3431, 5880695), (7097, 2842985), (7789, 2590405), (11023, 1830415), (17155, 1176139), (35485, 568597), (38945, 518081), (55115, 366083)]