20176190896

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{684217}}^1$

素因数の和:684341

約数の個数: 40

約数和(自身を含む): 41573085680

約数和(自身を除く): 21396894784

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 97, 152, 194, 304, 388, 776, 1552, 1843, 3686, 7372, 14744, 29488, 684217, 1368434, 2736868, 5473736, 10947472, 13000123, 26000246, 52000492, 66369049, 104000984, 132738098, 208001968, 265476196, 530952392, 1061904784, 1261011931, 2522023862, 5044047724, 10088095448, 20176190896]

約数ペア:

[(1, 20176190896), (2, 10088095448), (4, 5044047724), (8, 2522023862), (16, 1261011931), (19, 1061904784), (38, 530952392), (76, 265476196), (97, 208001968), (152, 132738098), (194, 104000984), (304, 66369049), (388, 52000492), (776, 26000246), (1552, 13000123), (1843, 10947472), (3686, 5473736), (7372, 2736868), (14744, 1368434), (29488, 684217)]