20174920899

素因数分解:

$3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{563}}^1\times {\mathrm{15101}}^1$

素因数の和:15787

約数の個数: 32

約数和(自身を含む): 31071942144

約数和(自身を除く): 10897021245

約数列:

[1, 3, 7, 21, 113, 339, 563, 791, 1689, 2373, 3941, 11823, 15101, 45303, 63619, 105707, 190857, 317121, 445333, 1335999, 1706413, 5119239, 8501863, 11944891, 25505589, 35834673, 59513041, 178539123, 960710519, 2882131557, 6724973633, 20174920899]

約数ペア:

[(1, 20174920899), (3, 6724973633), (7, 2882131557), (21, 960710519), (113, 178539123), (339, 59513041), (563, 35834673), (791, 25505589), (1689, 11944891), (2373, 8501863), (3941, 5119239), (11823, 1706413), (15101, 1335999), (45303, 445333), (63619, 317121), (105707, 190857)]