20689176

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{769}}^1$

素因数の和:856

約数の個数: 64

約数和(自身を含む): 55440000

約数和(自身を除く): 34750824

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 59, 76, 114, 118, 152, 177, 228, 236, 354, 456, 472, 708, 769, 1121, 1416, 1538, 2242, 2307, 3076, 3363, 4484, 4614, 6152, 6726, 8968, 9228, 13452, 14611, 18456, 26904, 29222, 43833, 45371, 58444, 87666, 90742, 116888, 136113, 175332, 181484, 272226, 350664, 362968, 544452, 862049, 1088904, 1724098, 2586147, 3448196, 5172294, 6896392, 10344588, 20689176]

約数ペア:

[(1, 20689176), (2, 10344588), (3, 6896392), (4, 5172294), (6, 3448196), (8, 2586147), (12, 1724098), (19, 1088904), (24, 862049), (38, 544452), (57, 362968), (59, 350664), (76, 272226), (114, 181484), (118, 175332), (152, 136113), (177, 116888), (228, 90742), (236, 87666), (354, 58444), (456, 45371), (472, 43833), (708, 29222), (769, 26904), (1121, 18456), (1416, 14611), (1538, 13452), (2242, 9228), (2307, 8968), (3076, 6726), (3363, 6152), (4484, 4614)]