20194278

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2909}}^1$

素因数の和:3016

約数の個数: 32

約数和(自身を含む): 43999200

約数和(自身を除く): 23804922

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 89, 178, 267, 534, 1157, 2314, 2909, 3471, 5818, 6942, 8727, 17454, 37817, 75634, 113451, 226902, 258901, 517802, 776703, 1553406, 3365713, 6731426, 10097139, 20194278]

約数ペア:

[(1, 20194278), (2, 10097139), (3, 6731426), (6, 3365713), (13, 1553406), (26, 776703), (39, 517802), (78, 258901), (89, 226902), (178, 113451), (267, 75634), (534, 37817), (1157, 17454), (2314, 8727), (2909, 6942), (3471, 5818)]