20199931906

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{290839}}^1$

素因数の和:290911

約数の個数: 48

約数和(自身を含む): 38991173760

約数和(自身を除く): 18791241854

約数列:

[1, 2, 7, 11, 14, 22, 41, 77, 82, 121, 154, 242, 287, 451, 574, 847, 902, 1694, 3157, 4961, 6314, 9922, 34727, 69454, 290839, 581678, 2035873, 3199229, 4071746, 6398458, 11924399, 22394603, 23848798, 35191519, 44789206, 70383038, 83470793, 131168389, 166941586, 246340633, 262336778, 492681266, 918178723, 1442852279, 1836357446, 2885704558, 10099965953, 20199931906]

約数ペア:

[(1, 20199931906), (2, 10099965953), (7, 2885704558), (11, 1836357446), (14, 1442852279), (22, 918178723), (41, 492681266), (77, 262336778), (82, 246340633), (121, 166941586), (154, 131168389), (242, 83470793), (287, 70383038), (451, 44789206), (574, 35191519), (847, 23848798), (902, 22394603), (1694, 11924399), (3157, 6398458), (4961, 4071746), (6314, 3199229), (9922, 2035873), (34727, 581678), (69454, 290839)]