20863140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18301}}^1$

素因数の和:18332

約数の個数: 48

約数和(自身を含む): 61494720

約数和(自身を除く): 40631580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 18301, 36602, 54903, 73204, 91505, 109806, 183010, 219612, 274515, 347719, 366020, 549030, 695438, 1043157, 1098060, 1390876, 1738595, 2086314, 3477190, 4172628, 5215785, 6954380, 10431570, 20863140]

約数ペア:

[(1, 20863140), (2, 10431570), (3, 6954380), (4, 5215785), (5, 4172628), (6, 3477190), (10, 2086314), (12, 1738595), (15, 1390876), (19, 1098060), (20, 1043157), (30, 695438), (38, 549030), (57, 366020), (60, 347719), (76, 274515), (95, 219612), (114, 183010), (190, 109806), (228, 91505), (285, 73204), (380, 54903), (570, 36602), (1140, 18301)]