20955320

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{14159}}^1$

素因数の和:14207

約数の個数: 32

約数和(自身を含む): 48427200

約数和(自身を除く): 27471880

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 14159, 28318, 56636, 70795, 113272, 141590, 283180, 523883, 566360, 1047766, 2095532, 2619415, 4191064, 5238830, 10477660, 20955320]

約数ペア:

[(1, 20955320), (2, 10477660), (4, 5238830), (5, 4191064), (8, 2619415), (10, 2095532), (20, 1047766), (37, 566360), (40, 523883), (74, 283180), (148, 141590), (185, 113272), (296, 70795), (370, 56636), (740, 28318), (1480, 14159)]