20355138

素因数分解:

$2^1\times 3^6\times {\mathrm{23}}^1\times {\mathrm{607}}^1$

素因数の和:650

約数の個数: 56

約数和(自身を含む): 47847168

約数和(自身を除く): 27492030

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 243, 414, 486, 607, 621, 729, 1214, 1242, 1458, 1821, 1863, 3642, 3726, 5463, 5589, 10926, 11178, 13961, 16389, 16767, 27922, 32778, 33534, 41883, 49167, 83766, 98334, 125649, 147501, 251298, 295002, 376947, 442503, 753894, 885006, 1130841, 2261682, 3392523, 6785046, 10177569, 20355138]

約数ペア:

[(1, 20355138), (2, 10177569), (3, 6785046), (6, 3392523), (9, 2261682), (18, 1130841), (23, 885006), (27, 753894), (46, 442503), (54, 376947), (69, 295002), (81, 251298), (138, 147501), (162, 125649), (207, 98334), (243, 83766), (414, 49167), (486, 41883), (607, 33534), (621, 32778), (729, 27922), (1214, 16767), (1242, 16389), (1458, 13961), (1821, 11178), (1863, 10926), (3642, 5589), (3726, 5463)]