20068830

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{311}}^1$

素因数の和:566

約数の個数: 64

約数和(自身を含む): 53913600

約数和(自身を除く): 33844770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 239, 270, 311, 478, 622, 717, 933, 1195, 1434, 1555, 1866, 2151, 2390, 2799, 3110, 3585, 4302, 4665, 5598, 6453, 7170, 8397, 9330, 10755, 12906, 13995, 16794, 21510, 27990, 32265, 41985, 64530, 74329, 83970, 148658, 222987, 371645, 445974, 668961, 743290, 1114935, 1337922, 2006883, 2229870, 3344805, 4013766, 6689610, 10034415, 20068830]

約数ペア:

[(1, 20068830), (2, 10034415), (3, 6689610), (5, 4013766), (6, 3344805), (9, 2229870), (10, 2006883), (15, 1337922), (18, 1114935), (27, 743290), (30, 668961), (45, 445974), (54, 371645), (90, 222987), (135, 148658), (239, 83970), (270, 74329), (311, 64530), (478, 41985), (622, 32265), (717, 27990), (933, 21510), (1195, 16794), (1434, 13995), (1555, 12906), (1866, 10755), (2151, 9330), (2390, 8397), (2799, 7170), (3110, 6453), (3585, 5598), (4302, 4665)]