20735581683

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1\times {\mathrm{971}}^1$

素因数の和:1248

約数の個数: 64

約数和(自身を含む): 30636195840

約数和(自身を除く): 9900614157

約数列:

[1, 3, 17, 47, 51, 59, 141, 151, 177, 453, 799, 971, 1003, 2397, 2567, 2773, 2913, 3009, 7097, 7701, 8319, 8909, 16507, 21291, 26727, 45637, 47141, 49521, 57289, 120649, 136911, 141423, 146621, 151453, 171867, 361947, 418723, 439863, 454359, 775829, 973913, 1256169, 2327487, 2492557, 2692583, 2921739, 6891187, 7118291, 7477671, 8077749, 8650639, 20673561, 21354873, 25951917, 45773911, 117150179, 137321733, 147060863, 351450537, 406580033, 441182589, 1219740099, 6911860561, 20735581683]

約数ペア:

[(1, 20735581683), (3, 6911860561), (17, 1219740099), (47, 441182589), (51, 406580033), (59, 351450537), (141, 147060863), (151, 137321733), (177, 117150179), (453, 45773911), (799, 25951917), (971, 21354873), (1003, 20673561), (2397, 8650639), (2567, 8077749), (2773, 7477671), (2913, 7118291), (3009, 6891187), (7097, 2921739), (7701, 2692583), (8319, 2492557), (8909, 2327487), (16507, 1256169), (21291, 973913), (26727, 775829), (45637, 454359), (47141, 439863), (49521, 418723), (57289, 361947), (120649, 171867), (136911, 151453), (141423, 146621)]