20743278

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{487}}^1$

素因数の和:752

約数の個数: 32

約数和(自身を含む): 43100160

約数和(自身を除く): 22356882

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 229, 458, 487, 687, 974, 1374, 1461, 2922, 7099, 14198, 15097, 21297, 30194, 42594, 45291, 90582, 111523, 223046, 334569, 669138, 3457213, 6914426, 10371639, 20743278]

約数ペア:

[(1, 20743278), (2, 10371639), (3, 6914426), (6, 3457213), (31, 669138), (62, 334569), (93, 223046), (186, 111523), (229, 90582), (458, 45291), (487, 42594), (687, 30194), (974, 21297), (1374, 15097), (1461, 14198), (2922, 7099)]