20921995503

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{431}}^1\times {\mathrm{75967}}^1$

素因数の和:76475

約数の個数: 24

約数和(自身を含む): 30717812736

約数和(自身を除く): 9795817233

約数列:

[1, 3, 9, 71, 213, 431, 639, 1293, 3879, 30601, 75967, 91803, 227901, 275409, 683703, 5393657, 16180971, 32741777, 48542913, 98225331, 294675993, 2324666167, 6973998501, 20921995503]

約数ペア:

[(1, 20921995503), (3, 6973998501), (9, 2324666167), (71, 294675993), (213, 98225331), (431, 48542913), (639, 32741777), (1293, 16180971), (3879, 5393657), (30601, 683703), (75967, 275409), (91803, 227901)]