20450001

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{653}}^1$

素因数の和:753

約数の個数: 32

約数和(自身を含む): 32522112

約数和(自身を除く): 12072111

約数列:

[1, 3, 11, 13, 33, 39, 73, 143, 219, 429, 653, 803, 949, 1959, 2409, 2847, 7183, 8489, 10439, 21549, 25467, 31317, 47669, 93379, 143007, 280137, 524359, 619697, 1573077, 1859091, 6816667, 20450001]

約数ペア:

[(1, 20450001), (3, 6816667), (11, 1859091), (13, 1573077), (33, 619697), (39, 524359), (73, 280137), (143, 143007), (219, 93379), (429, 47669), (653, 31317), (803, 25467), (949, 21549), (1959, 10439), (2409, 8489), (2847, 7183)]