20996834649

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{175013}}^1$

素因数の和:175249

約数の個数: 32

約数和(自身を含む): 33266661120

約数和(自身を除く): 12269826471

約数列:

[1, 3, 7, 21, 29, 87, 197, 203, 591, 609, 1379, 4137, 5713, 17139, 39991, 119973, 175013, 525039, 1225091, 3675273, 5075377, 15226131, 34477561, 35527639, 103432683, 106582917, 241342927, 724028781, 999849269, 2999547807, 6998944883, 20996834649]

約数ペア:

[(1, 20996834649), (3, 6998944883), (7, 2999547807), (21, 999849269), (29, 724028781), (87, 241342927), (197, 106582917), (203, 103432683), (591, 35527639), (609, 34477561), (1379, 15226131), (4137, 5075377), (5713, 3675273), (17139, 1225091), (39991, 525039), (119973, 175013)]