20512990392

素因数分解:

$2^3\times 3^1\times {\mathrm{223}}^1\times {\mathrm{977}}^1\times {\mathrm{3923}}^1$

素因数の和:5132

約数の個数: 64

約数和(自身を含む): 51578311680

約数和(自身を除く): 31065321288

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 223, 446, 669, 892, 977, 1338, 1784, 1954, 2676, 2931, 3908, 3923, 5352, 5862, 7816, 7846, 11724, 11769, 15692, 23448, 23538, 31384, 47076, 94152, 217871, 435742, 653613, 871484, 874829, 1307226, 1742968, 1749658, 2614452, 2624487, 3499316, 3832771, 5228904, 5248974, 6998632, 7665542, 10497948, 11498313, 15331084, 20995896, 22996626, 30662168, 45993252, 91986504, 854707933, 1709415866, 2564123799, 3418831732, 5128247598, 6837663464, 10256495196, 20512990392]

約数ペア:

[(1, 20512990392), (2, 10256495196), (3, 6837663464), (4, 5128247598), (6, 3418831732), (8, 2564123799), (12, 1709415866), (24, 854707933), (223, 91986504), (446, 45993252), (669, 30662168), (892, 22996626), (977, 20995896), (1338, 15331084), (1784, 11498313), (1954, 10497948), (2676, 7665542), (2931, 6998632), (3908, 5248974), (3923, 5228904), (5352, 3832771), (5862, 3499316), (7816, 2624487), (7846, 2614452), (11724, 1749658), (11769, 1742968), (15692, 1307226), (23448, 874829), (23538, 871484), (31384, 653613), (47076, 435742), (94152, 217871)]