20214537

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1747}}^1$

素因数の和:1805

約数の個数: 32

約数和(自身を含む): 33561600

約数和(自身を除く): 13347063

約数列:

[1, 3, 7, 19, 21, 29, 57, 87, 133, 203, 399, 551, 609, 1653, 1747, 3857, 5241, 11571, 12229, 33193, 36687, 50663, 99579, 151989, 232351, 354641, 697053, 962597, 1063923, 2887791, 6738179, 20214537]

約数ペア:

[(1, 20214537), (3, 6738179), (7, 2887791), (19, 1063923), (21, 962597), (29, 697053), (57, 354641), (87, 232351), (133, 151989), (203, 99579), (399, 50663), (551, 36687), (609, 33193), (1653, 12229), (1747, 11571), (3857, 5241)]