20464368

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^2\times {\mathrm{1181}}^1$

素因数の和:1230

約数の個数: 60

約数和(自身を含む): 55842408

約数和(自身を除く): 35378040

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 361, 456, 722, 912, 1083, 1181, 1444, 2166, 2362, 2888, 3543, 4332, 4724, 5776, 7086, 8664, 9448, 14172, 17328, 18896, 22439, 28344, 44878, 56688, 67317, 89756, 134634, 179512, 269268, 359024, 426341, 538536, 852682, 1077072, 1279023, 1705364, 2558046, 3410728, 5116092, 6821456, 10232184, 20464368]

約数ペア:

[(1, 20464368), (2, 10232184), (3, 6821456), (4, 5116092), (6, 3410728), (8, 2558046), (12, 1705364), (16, 1279023), (19, 1077072), (24, 852682), (38, 538536), (48, 426341), (57, 359024), (76, 269268), (114, 179512), (152, 134634), (228, 89756), (304, 67317), (361, 56688), (456, 44878), (722, 28344), (912, 22439), (1083, 18896), (1181, 17328), (1444, 14172), (2166, 9448), (2362, 8664), (2888, 7086), (3543, 5776), (4332, 4724)]