20747463

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1193}}^1$

素因数の和:1255

約数の個数: 32

約数和(自身を含む): 33011712

約数和(自身を除く): 12264249

約数列:

[1, 3, 11, 17, 31, 33, 51, 93, 187, 341, 527, 561, 1023, 1193, 1581, 3579, 5797, 13123, 17391, 20281, 36983, 39369, 60843, 110949, 223091, 406813, 628711, 669273, 1220439, 1886133, 6915821, 20747463]

約数ペア:

[(1, 20747463), (3, 6915821), (11, 1886133), (17, 1220439), (31, 669273), (33, 628711), (51, 406813), (93, 223091), (187, 110949), (341, 60843), (527, 39369), (561, 36983), (1023, 20281), (1193, 17391), (1581, 13123), (3579, 5797)]