20661170

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2939}}^1$

素因数の和:3002

約数の個数: 32

約数和(自身を含む): 40219200

約数和(自身を除く): 19558030

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 185, 190, 370, 703, 1406, 2939, 3515, 5878, 7030, 14695, 29390, 55841, 108743, 111682, 217486, 279205, 543715, 558410, 1087430, 2066117, 4132234, 10330585, 20661170]

約数ペア:

[(1, 20661170), (2, 10330585), (5, 4132234), (10, 2066117), (19, 1087430), (37, 558410), (38, 543715), (74, 279205), (95, 217486), (185, 111682), (190, 108743), (370, 55841), (703, 29390), (1406, 14695), (2939, 7030), (3515, 5878)]