20165052340

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{641}}^1\times {\mathrm{3583}}^1$

素因数の和:4672

約数の個数: 48

約数和(自身を含む): 42521149440

約数和(自身を除く): 22356097100

約数列:

[1, 2, 4, 5, 10, 20, 439, 641, 878, 1282, 1756, 2195, 2564, 3205, 3583, 4390, 6410, 7166, 8780, 12820, 14332, 17915, 35830, 71660, 281399, 562798, 1125596, 1406995, 1572937, 2296703, 2813990, 3145874, 4593406, 5627980, 6291748, 7864685, 9186812, 11483515, 15729370, 22967030, 31458740, 45934060, 1008252617, 2016505234, 4033010468, 5041263085, 10082526170, 20165052340]

約数ペア:

[(1, 20165052340), (2, 10082526170), (4, 5041263085), (5, 4033010468), (10, 2016505234), (20, 1008252617), (439, 45934060), (641, 31458740), (878, 22967030), (1282, 15729370), (1756, 11483515), (2195, 9186812), (2564, 7864685), (3205, 6291748), (3583, 5627980), (4390, 4593406), (6410, 3145874), (7166, 2813990), (8780, 2296703), (12820, 1572937), (14332, 1406995), (17915, 1125596), (35830, 562798), (71660, 281399)]