20913214

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{859}}^1$

素因数の和:952

約数の個数: 32

約数和(自身を含む): 37647360

約数和(自身を除く): 16734146

約数列:

[1, 2, 7, 14, 37, 47, 74, 94, 259, 329, 518, 658, 859, 1718, 1739, 3478, 6013, 12026, 12173, 24346, 31783, 40373, 63566, 80746, 222481, 282611, 444962, 565222, 1493801, 2987602, 10456607, 20913214]

約数ペア:

[(1, 20913214), (2, 10456607), (7, 2987602), (14, 1493801), (37, 565222), (47, 444962), (74, 282611), (94, 222481), (259, 80746), (329, 63566), (518, 40373), (658, 31783), (859, 24346), (1718, 12173), (1739, 12026), (3478, 6013)]