20060520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{479}}^1$

素因数の和:842

約数の個数: 64

約数和(自身を含む): 60480000

約数和(自身を除く): 40419480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 349, 479, 698, 958, 1047, 1396, 1437, 1745, 1916, 2094, 2395, 2792, 2874, 3490, 3832, 4188, 4790, 5235, 5748, 6980, 7185, 8376, 9580, 10470, 11496, 13960, 14370, 19160, 20940, 28740, 41880, 57480, 167171, 334342, 501513, 668684, 835855, 1003026, 1337368, 1671710, 2006052, 2507565, 3343420, 4012104, 5015130, 6686840, 10030260, 20060520]

約数ペア:

[(1, 20060520), (2, 10030260), (3, 6686840), (4, 5015130), (5, 4012104), (6, 3343420), (8, 2507565), (10, 2006052), (12, 1671710), (15, 1337368), (20, 1003026), (24, 835855), (30, 668684), (40, 501513), (60, 334342), (120, 167171), (349, 57480), (479, 41880), (698, 28740), (958, 20940), (1047, 19160), (1396, 14370), (1437, 13960), (1745, 11496), (1916, 10470), (2094, 9580), (2395, 8376), (2792, 7185), (2874, 6980), (3490, 5748), (3832, 5235), (4188, 4790)]