20213328

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{10271}}^1$

素因数の和:10323

約数の個数: 40

約数和(自身を含む): 53496576

約数和(自身を除く): 33283248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 123, 164, 246, 328, 492, 656, 984, 1968, 10271, 20542, 30813, 41084, 61626, 82168, 123252, 164336, 246504, 421111, 493008, 842222, 1263333, 1684444, 2526666, 3368888, 5053332, 6737776, 10106664, 20213328]

約数ペア:

[(1, 20213328), (2, 10106664), (3, 6737776), (4, 5053332), (6, 3368888), (8, 2526666), (12, 1684444), (16, 1263333), (24, 842222), (41, 493008), (48, 421111), (82, 246504), (123, 164336), (164, 123252), (246, 82168), (328, 61626), (492, 41084), (656, 30813), (984, 20542), (1968, 10271)]