20176095205

素因数分解:

$5^1\times 7^4\times {\mathrm{71}}^1\times {\mathrm{23671}}^1$

素因数の和:23775

約数の個数: 40

約数和(自身を含む): 28643877504

約数和(自身を除く): 8467782299

約数列:

[1, 5, 7, 35, 49, 71, 245, 343, 355, 497, 1715, 2401, 2485, 3479, 12005, 17395, 23671, 24353, 118355, 121765, 165697, 170471, 828485, 852355, 1159879, 1680641, 5799395, 8119153, 8403205, 11764487, 40595765, 56834071, 58822435, 82351409, 284170355, 411757045, 576459863, 2882299315, 4035219041, 20176095205]

約数ペア:

[(1, 20176095205), (5, 4035219041), (7, 2882299315), (35, 576459863), (49, 411757045), (71, 284170355), (245, 82351409), (343, 58822435), (355, 56834071), (497, 40595765), (1715, 11764487), (2401, 8403205), (2485, 8119153), (3479, 5799395), (12005, 1680641), (17395, 1159879), (23671, 852355), (24353, 828485), (118355, 170471), (121765, 165697)]