20005973995

素因数分解:

$5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{2713}}^1\times {\mathrm{3571}}^1$

素因数の和:6355

約数の個数: 32

約数和(自身を含む): 27919895040

約数和(自身を除く): 7913921045

約数列:

[1, 5, 7, 35, 59, 295, 413, 2065, 2713, 3571, 13565, 17855, 18991, 24997, 94955, 124985, 160067, 210689, 800335, 1053445, 1120469, 1474823, 5602345, 7374115, 9688123, 48440615, 67816861, 339084305, 571599257, 2857996285, 4001194799, 20005973995]

約数ペア:

[(1, 20005973995), (5, 4001194799), (7, 2857996285), (35, 571599257), (59, 339084305), (295, 67816861), (413, 48440615), (2065, 9688123), (2713, 7374115), (3571, 5602345), (13565, 1474823), (17855, 1120469), (18991, 1053445), (24997, 800335), (94955, 210689), (124985, 160067)]