20803620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9371}}^1$

素因数の和:9420

約数の個数: 48

約数和(自身を含む): 59830848

約数和(自身を除く): 39027228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 9371, 18742, 28113, 37484, 46855, 56226, 93710, 112452, 140565, 187420, 281130, 346727, 562260, 693454, 1040181, 1386908, 1733635, 2080362, 3467270, 4160724, 5200905, 6934540, 10401810, 20803620]

約数ペア:

[(1, 20803620), (2, 10401810), (3, 6934540), (4, 5200905), (5, 4160724), (6, 3467270), (10, 2080362), (12, 1733635), (15, 1386908), (20, 1040181), (30, 693454), (37, 562260), (60, 346727), (74, 281130), (111, 187420), (148, 140565), (185, 112452), (222, 93710), (370, 56226), (444, 46855), (555, 37484), (740, 28113), (1110, 18742), (2220, 9371)]