16204520

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{10949}}^1$

素因数の和:10997

約数の個数: 32

約数和(自身を含む): 37449000

約数和(自身を除く): 21244480

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 10949, 21898, 43796, 54745, 87592, 109490, 218980, 405113, 437960, 810226, 1620452, 2025565, 3240904, 4051130, 8102260, 16204520]

約数ペア:

[(1, 16204520), (2, 8102260), (4, 4051130), (5, 3240904), (8, 2025565), (10, 1620452), (20, 810226), (37, 437960), (40, 405113), (74, 218980), (148, 109490), (185, 87592), (296, 54745), (370, 43796), (740, 21898), (1480, 10949)]