20566208

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1301}}^1$

素因数の和:1345

約数の個数: 56

約数和(自身を含む): 46299120

約数和(自身を除く): 25732912

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 152, 208, 247, 304, 416, 494, 608, 832, 988, 1216, 1301, 1976, 2602, 3952, 5204, 7904, 10408, 15808, 16913, 20816, 24719, 33826, 41632, 49438, 67652, 83264, 98876, 135304, 197752, 270608, 321347, 395504, 541216, 642694, 791008, 1082432, 1285388, 1582016, 2570776, 5141552, 10283104, 20566208]

約数ペア:

[(1, 20566208), (2, 10283104), (4, 5141552), (8, 2570776), (13, 1582016), (16, 1285388), (19, 1082432), (26, 791008), (32, 642694), (38, 541216), (52, 395504), (64, 321347), (76, 270608), (104, 197752), (152, 135304), (208, 98876), (247, 83264), (304, 67652), (416, 49438), (494, 41632), (608, 33826), (832, 24719), (988, 20816), (1216, 16913), (1301, 15808), (1976, 10408), (2602, 7904), (3952, 5204)]