20168743090

素因数分解:

$2^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{643}}^1\times {\mathrm{18131}}^1$

素因数の和:18954

約数の個数: 32

約数和(自身を含む): 36572389056

約数和(自身を除く): 16403645966

約数列:

[1, 2, 5, 10, 173, 346, 643, 865, 1286, 1730, 3215, 6430, 18131, 36262, 90655, 111239, 181310, 222478, 556195, 1112390, 3136663, 6273326, 11658233, 15683315, 23316466, 31366630, 58291165, 116582330, 2016874309, 4033748618, 10084371545, 20168743090]

約数ペア:

[(1, 20168743090), (2, 10084371545), (5, 4033748618), (10, 2016874309), (173, 116582330), (346, 58291165), (643, 31366630), (865, 23316466), (1286, 15683315), (1730, 11658233), (3215, 6273326), (6430, 3136663), (18131, 1112390), (36262, 556195), (90655, 222478), (111239, 181310)]