20193678

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 47692800

約数和(自身を除く): 27499122

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 71, 138, 142, 207, 213, 229, 414, 426, 458, 621, 639, 687, 1242, 1278, 1374, 1633, 1917, 2061, 3266, 3834, 4122, 4899, 5267, 6183, 9798, 10534, 12366, 14697, 15801, 16259, 29394, 31602, 32518, 44091, 47403, 48777, 88182, 94806, 97554, 142209, 146331, 284418, 292662, 373957, 438993, 747914, 877986, 1121871, 2243742, 3365613, 6731226, 10096839, 20193678]

約数ペア:

[(1, 20193678), (2, 10096839), (3, 6731226), (6, 3365613), (9, 2243742), (18, 1121871), (23, 877986), (27, 747914), (46, 438993), (54, 373957), (69, 292662), (71, 284418), (138, 146331), (142, 142209), (207, 97554), (213, 94806), (229, 88182), (414, 48777), (426, 47403), (458, 44091), (621, 32518), (639, 31602), (687, 29394), (1242, 16259), (1278, 15801), (1374, 14697), (1633, 12366), (1917, 10534), (2061, 9798), (3266, 6183), (3834, 5267), (4122, 4899)]