20175000890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{697373}}^1$

素因数の和:697654

約数の個数: 32

約数和(自身を含む): 39767054976

約数和(自身を除く): 19592054086

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 263, 526, 1315, 2630, 2893, 5786, 14465, 28930, 697373, 1394746, 3486865, 6973730, 7671103, 15342206, 38355515, 76711030, 183409099, 366818198, 917045495, 1834090990, 2017500089, 4035000178, 10087500445, 20175000890]

約数ペア:

[(1, 20175000890), (2, 10087500445), (5, 4035000178), (10, 2017500089), (11, 1834090990), (22, 917045495), (55, 366818198), (110, 183409099), (263, 76711030), (526, 38355515), (1315, 15342206), (2630, 7671103), (2893, 6973730), (5786, 3486865), (14465, 1394746), (28930, 697373)]