20805216331

素因数分解:

${\mathrm{83}}^1\times {\mathrm{211}}^1\times {\mathrm{821}}^1\times {\mathrm{1447}}^1$

素因数の和:2562

約数の個数: 16

約数和(自身を含む): 21196078848

約数和(自身を除く): 390862517

約数列:

[1, 83, 211, 821, 1447, 17513, 68143, 120101, 173231, 305317, 1187987, 14378173, 25341311, 98602921, 250665257, 20805216331]

約数ペア:

[(1, 20805216331), (83, 250665257), (211, 98602921), (821, 25341311), (1447, 14378173), (17513, 1187987), (68143, 305317), (120101, 173231)]