20031230

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:484

約数の個数: 32

約数和(自身を含む): 37091520

約数和(自身を除く): 17060290

約数列:

[1, 2, 5, 10, 71, 89, 142, 178, 317, 355, 445, 634, 710, 890, 1585, 3170, 6319, 12638, 22507, 28213, 31595, 45014, 56426, 63190, 112535, 141065, 225070, 282130, 2003123, 4006246, 10015615, 20031230]

約数ペア:

[(1, 20031230), (2, 10015615), (5, 4006246), (10, 2003123), (71, 282130), (89, 225070), (142, 141065), (178, 112535), (317, 63190), (355, 56426), (445, 45014), (634, 31595), (710, 28213), (890, 22507), (1585, 12638), (3170, 6319)]