20007660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2399}}^1$

素因数の和:2550

約数の個数: 48

約数和(自身を含む): 56448000

約数和(自身を除く): 36440340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 2085, 2399, 2780, 4170, 4798, 7197, 8340, 9596, 11995, 14394, 23990, 28788, 35985, 47980, 71970, 143940, 333461, 666922, 1000383, 1333844, 1667305, 2000766, 3334610, 4001532, 5001915, 6669220, 10003830, 20007660]

約数ペア:

[(1, 20007660), (2, 10003830), (3, 6669220), (4, 5001915), (5, 4001532), (6, 3334610), (10, 2000766), (12, 1667305), (15, 1333844), (20, 1000383), (30, 666922), (60, 333461), (139, 143940), (278, 71970), (417, 47980), (556, 35985), (695, 28788), (834, 23990), (1390, 14394), (1668, 11995), (2085, 9596), (2399, 8340), (2780, 7197), (4170, 4798)]