20126376544

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{1607}}^1\times {\mathrm{20599}}^1$

素因数の和:22235

約数の個数: 48

約数和(自身を含む): 41737248000

約数和(自身を除く): 21610871456

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 1607, 3214, 6428, 12856, 20599, 25712, 30533, 41198, 51424, 61066, 82396, 122132, 164792, 244264, 329584, 391381, 488528, 659168, 782762, 977056, 1565524, 3131048, 6262096, 12524192, 33102593, 66205186, 132410372, 264820744, 529641488, 628949267, 1059282976, 1257898534, 2515797068, 5031594136, 10063188272, 20126376544]

約数ペア:

[(1, 20126376544), (2, 10063188272), (4, 5031594136), (8, 2515797068), (16, 1257898534), (19, 1059282976), (32, 628949267), (38, 529641488), (76, 264820744), (152, 132410372), (304, 66205186), (608, 33102593), (1607, 12524192), (3214, 6262096), (6428, 3131048), (12856, 1565524), (20599, 977056), (25712, 782762), (30533, 659168), (41198, 488528), (51424, 391381), (61066, 329584), (82396, 244264), (122132, 164792)]