20551008

素因数分解:

$2^5\times 3^1\times {\mathrm{19}}^2\times {\mathrm{593}}^1$

素因数の和:644

約数の個数: 72

約数和(自身を含む): 57031128

約数和(自身を除く): 36480120

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 76, 96, 114, 152, 228, 304, 361, 456, 593, 608, 722, 912, 1083, 1186, 1444, 1779, 1824, 2166, 2372, 2888, 3558, 4332, 4744, 5776, 7116, 8664, 9488, 11267, 11552, 14232, 17328, 18976, 22534, 28464, 33801, 34656, 45068, 56928, 67602, 90136, 135204, 180272, 214073, 270408, 360544, 428146, 540816, 642219, 856292, 1081632, 1284438, 1712584, 2568876, 3425168, 5137752, 6850336, 10275504, 20551008]

約数ペア:

[(1, 20551008), (2, 10275504), (3, 6850336), (4, 5137752), (6, 3425168), (8, 2568876), (12, 1712584), (16, 1284438), (19, 1081632), (24, 856292), (32, 642219), (38, 540816), (48, 428146), (57, 360544), (76, 270408), (96, 214073), (114, 180272), (152, 135204), (228, 90136), (304, 67602), (361, 56928), (456, 45068), (593, 34656), (608, 33801), (722, 28464), (912, 22534), (1083, 18976), (1186, 17328), (1444, 14232), (1779, 11552), (1824, 11267), (2166, 9488), (2372, 8664), (2888, 7116), (3558, 5776), (4332, 4744)]