20561638510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{4159}}^1\times {\mathrm{70627}}^1$

素因数の和:74800

約数の個数: 32

約数和(自身を含む): 42308997120

約数和(自身を除く): 21747358610

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 4159, 8318, 20795, 29113, 41590, 58226, 70627, 141254, 145565, 291130, 353135, 494389, 706270, 988778, 2471945, 4943890, 293737693, 587475386, 1468688465, 2056163851, 2937376930, 4112327702, 10280819255, 20561638510]

約数ペア:

[(1, 20561638510), (2, 10280819255), (5, 4112327702), (7, 2937376930), (10, 2056163851), (14, 1468688465), (35, 587475386), (70, 293737693), (4159, 4943890), (8318, 2471945), (20795, 988778), (29113, 706270), (41590, 494389), (58226, 353135), (70627, 291130), (141254, 145565)]