20487270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{18457}}^1$

素因数の和:18504

約数の個数: 32

約数和(自身を含む): 50501088

約数和(自身を除く): 30013818

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 555, 1110, 18457, 36914, 55371, 92285, 110742, 184570, 276855, 553710, 682909, 1365818, 2048727, 3414545, 4097454, 6829090, 10243635, 20487270]

約数ペア:

[(1, 20487270), (2, 10243635), (3, 6829090), (5, 4097454), (6, 3414545), (10, 2048727), (15, 1365818), (30, 682909), (37, 553710), (74, 276855), (111, 184570), (185, 110742), (222, 92285), (370, 55371), (555, 36914), (1110, 18457)]