20809488

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{61933}}^1$

素因数の和:61951

約数の個数: 40

約数和(自身を含む): 61438528

約数和(自身を除く): 40629040

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 61933, 123866, 185799, 247732, 371598, 433531, 495464, 743196, 867062, 990928, 1300593, 1486392, 1734124, 2601186, 2972784, 3468248, 5202372, 6936496, 10404744, 20809488]

約数ペア:

[(1, 20809488), (2, 10404744), (3, 6936496), (4, 5202372), (6, 3468248), (7, 2972784), (8, 2601186), (12, 1734124), (14, 1486392), (16, 1300593), (21, 990928), (24, 867062), (28, 743196), (42, 495464), (48, 433531), (56, 371598), (84, 247732), (112, 185799), (168, 123866), (336, 61933)]