20804542955

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{3023}}^1$

素因数の和:3264

約数の個数: 64

約数和(自身を含む): 30656102400

約数和(自身を除く): 9851559445

約数列:

[1, 5, 7, 19, 35, 79, 95, 131, 133, 395, 553, 655, 665, 917, 1501, 2489, 2765, 3023, 4585, 7505, 10349, 10507, 12445, 15115, 17423, 21161, 51745, 52535, 57437, 72443, 87115, 105805, 196631, 238817, 287185, 362215, 396013, 402059, 983155, 1194085, 1376417, 1671719, 1980065, 2010295, 2772091, 4537523, 6882085, 7524247, 8358595, 13860455, 22687615, 31285027, 31762661, 37621235, 52669729, 156425135, 158813305, 218995189, 263348645, 594415513, 1094975945, 2972077565, 4160908591, 20804542955]

約数ペア:

[(1, 20804542955), (5, 4160908591), (7, 2972077565), (19, 1094975945), (35, 594415513), (79, 263348645), (95, 218995189), (131, 158813305), (133, 156425135), (395, 52669729), (553, 37621235), (655, 31762661), (665, 31285027), (917, 22687615), (1501, 13860455), (2489, 8358595), (2765, 7524247), (3023, 6882085), (4585, 4537523), (7505, 2772091), (10349, 2010295), (10507, 1980065), (12445, 1671719), (15115, 1376417), (17423, 1194085), (21161, 983155), (51745, 402059), (52535, 396013), (57437, 362215), (72443, 287185), (87115, 238817), (105805, 196631)]