20285262151

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1\times {\mathrm{9257}}^1$

素因数の和:9615

約数の個数: 32

約数和(自身を含む): 25596518400

約数和(自身を除く): 5311256249

約数列:

[1, 7, 11, 77, 149, 191, 1043, 1337, 1639, 2101, 9257, 11473, 14707, 28459, 64799, 101827, 199213, 313049, 712789, 1379293, 1768087, 2191343, 9655051, 12376609, 15172223, 19448957, 106205561, 136142699, 263444963, 1844114741, 2897894593, 20285262151]

約数ペア:

[(1, 20285262151), (7, 2897894593), (11, 1844114741), (77, 263444963), (149, 136142699), (191, 106205561), (1043, 19448957), (1337, 15172223), (1639, 12376609), (2101, 9655051), (9257, 2191343), (11473, 1768087), (14707, 1379293), (28459, 712789), (64799, 313049), (101827, 199213)]