20175343377

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{401}}^1\times {\mathrm{22391}}^1$

素因数の和:22909

約数の個数: 32

約数和(自身を含む): 31109474304

約数和(自身を除く): 10934130927

約数列:

[1, 3, 7, 21, 107, 321, 401, 749, 1203, 2247, 2807, 8421, 22391, 42907, 67173, 128721, 156737, 300349, 470211, 901047, 2395837, 7187511, 8978791, 16770859, 26936373, 50312577, 62851537, 188554611, 960730637, 2882191911, 6725114459, 20175343377]

約数ペア:

[(1, 20175343377), (3, 6725114459), (7, 2882191911), (21, 960730637), (107, 188554611), (321, 62851537), (401, 50312577), (749, 26936373), (1203, 16770859), (2247, 8978791), (2807, 7187511), (8421, 2395837), (22391, 901047), (42907, 470211), (67173, 300349), (128721, 156737)]