20038090

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1747}}^1$

素因数の和:1822

約数の個数: 32

約数和(自身を含む): 38260224

約数和(自身を除く): 18222134

約数列:

[1, 2, 5, 10, 31, 37, 62, 74, 155, 185, 310, 370, 1147, 1747, 2294, 3494, 5735, 8735, 11470, 17470, 54157, 64639, 108314, 129278, 270785, 323195, 541570, 646390, 2003809, 4007618, 10019045, 20038090]

約数ペア:

[(1, 20038090), (2, 10019045), (5, 4007618), (10, 2003809), (31, 646390), (37, 541570), (62, 323195), (74, 270785), (155, 129278), (185, 108314), (310, 64639), (370, 54157), (1147, 17470), (1747, 11470), (2294, 8735), (3494, 5735)]