20201874

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{599}}^1$

素因数の和:695

約数の個数: 64

約数和(自身を含む): 51148800

約数和(自身を除く): 30946926

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 73, 77, 146, 154, 219, 231, 438, 462, 511, 599, 803, 1022, 1198, 1533, 1606, 1797, 2409, 3066, 3594, 4193, 4818, 5621, 6589, 8386, 11242, 12579, 13178, 16863, 19767, 25158, 33726, 39534, 43727, 46123, 87454, 92246, 131181, 138369, 262362, 276738, 306089, 480997, 612178, 918267, 961994, 1442991, 1836534, 2885982, 3366979, 6733958, 10100937, 20201874]

約数ペア:

[(1, 20201874), (2, 10100937), (3, 6733958), (6, 3366979), (7, 2885982), (11, 1836534), (14, 1442991), (21, 961994), (22, 918267), (33, 612178), (42, 480997), (66, 306089), (73, 276738), (77, 262362), (146, 138369), (154, 131181), (219, 92246), (231, 87454), (438, 46123), (462, 43727), (511, 39534), (599, 33726), (803, 25158), (1022, 19767), (1198, 16863), (1533, 13178), (1606, 12579), (1797, 11242), (2409, 8386), (3066, 6589), (3594, 5621), (4193, 4818)]