20178233908

素因数分解:

$2^2\times 7^2\times {\mathrm{109}}^1\times {\mathrm{944497}}^1$

素因数の和:944624

約数の個数: 36

約数和(自身を含む): 41454017220

約数和(自身を除く): 21275783312

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 109, 196, 218, 436, 763, 1526, 3052, 5341, 10682, 21364, 944497, 1888994, 3777988, 6611479, 13222958, 26445916, 46280353, 92560706, 102950173, 185121412, 205900346, 411800692, 720651211, 1441302422, 2882604844, 5044558477, 10089116954, 20178233908]

約数ペア:

[(1, 20178233908), (2, 10089116954), (4, 5044558477), (7, 2882604844), (14, 1441302422), (28, 720651211), (49, 411800692), (98, 205900346), (109, 185121412), (196, 102950173), (218, 92560706), (436, 46280353), (763, 26445916), (1526, 13222958), (3052, 6611479), (5341, 3777988), (10682, 1888994), (21364, 944497)]