20213641532

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{19511237}}^1$

素因数の和:19511285

約数の個数: 24

約数和(自身を含む): 41519914464

約数和(自身を除く): 21306272932

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 19511237, 39022474, 78044948, 136578659, 273157318, 546314636, 721915769, 1443831538, 2887663076, 5053410383, 10106820766, 20213641532]

約数ペア:

[(1, 20213641532), (2, 10106820766), (4, 5053410383), (7, 2887663076), (14, 1443831538), (28, 721915769), (37, 546314636), (74, 273157318), (148, 136578659), (259, 78044948), (518, 39022474), (1036, 19511237)]