20245820978

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1187}}^1\times {\mathrm{8623}}^1$

素因数の和:9878

約数の個数: 32

約数和(自身を含む): 32457148416

約数和(自身を除く): 12211327438

約数列:

[1, 2, 23, 43, 46, 86, 989, 1187, 1978, 2374, 8623, 17246, 27301, 51041, 54602, 102082, 198329, 370789, 396658, 741578, 1173943, 2347886, 8528147, 10235501, 17056294, 20471002, 235416523, 440126543, 470833046, 880253086, 10122910489, 20245820978]

約数ペア:

[(1, 20245820978), (2, 10122910489), (23, 880253086), (43, 470833046), (46, 440126543), (86, 235416523), (989, 20471002), (1187, 17056294), (1978, 10235501), (2374, 8528147), (8623, 2347886), (17246, 1173943), (27301, 741578), (51041, 396658), (54602, 370789), (102082, 198329)]