20120221164

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{488687}}^1$

素因数の和:488814

約数の個数: 48

約数和(自身を含む): 48602953728

約数和(自身を除く): 28482732564

約数列:

[1, 2, 3, 4, 6, 12, 47, 73, 94, 141, 146, 188, 219, 282, 292, 438, 564, 876, 3431, 6862, 10293, 13724, 20586, 41172, 488687, 977374, 1466061, 1954748, 2932122, 5864244, 22968289, 35674151, 45936578, 68904867, 71348302, 91873156, 107022453, 137809734, 142696604, 214044906, 275619468, 428089812, 1676685097, 3353370194, 5030055291, 6706740388, 10060110582, 20120221164]

約数ペア:

[(1, 20120221164), (2, 10060110582), (3, 6706740388), (4, 5030055291), (6, 3353370194), (12, 1676685097), (47, 428089812), (73, 275619468), (94, 214044906), (141, 142696604), (146, 137809734), (188, 107022453), (219, 91873156), (282, 71348302), (292, 68904867), (438, 45936578), (564, 35674151), (876, 22968289), (3431, 5864244), (6862, 2932122), (10293, 1954748), (13724, 1466061), (20586, 977374), (41172, 488687)]