20155951130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{487}}^1\times {\mathrm{1889}}^1$

素因数の和:2703

約数の個数: 64

約数和(自身を含む): 41703621120

約数和(自身を除く): 21547669990

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 313, 487, 626, 974, 1565, 1889, 2191, 2435, 3130, 3409, 3778, 4382, 4870, 6818, 9445, 10955, 13223, 17045, 18890, 21910, 26446, 34090, 66115, 132230, 152431, 304862, 591257, 762155, 919943, 1067017, 1182514, 1524310, 1839886, 2134034, 2956285, 4138799, 4599715, 5335085, 5912570, 6439601, 8277598, 9199430, 10670170, 12879202, 20693995, 32198005, 41387990, 64396010, 287942159, 575884318, 1439710795, 2015595113, 2879421590, 4031190226, 10077975565, 20155951130]

約数ペア:

[(1, 20155951130), (2, 10077975565), (5, 4031190226), (7, 2879421590), (10, 2015595113), (14, 1439710795), (35, 575884318), (70, 287942159), (313, 64396010), (487, 41387990), (626, 32198005), (974, 20693995), (1565, 12879202), (1889, 10670170), (2191, 9199430), (2435, 8277598), (3130, 6439601), (3409, 5912570), (3778, 5335085), (4382, 4599715), (4870, 4138799), (6818, 2956285), (9445, 2134034), (10955, 1839886), (13223, 1524310), (17045, 1182514), (18890, 1067017), (21910, 919943), (26446, 762155), (34090, 591257), (66115, 304862), (132230, 152431)]