20199930196

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{461}}^1\times {\mathrm{644377}}^1$

素因数の和:644859

約数の個数: 24

約数和(自身を含む): 37510532136

約数和(自身を除く): 17310601940

約数列:

[1, 2, 4, 17, 34, 68, 461, 922, 1844, 7837, 15674, 31348, 644377, 1288754, 2577508, 10954409, 21908818, 43817636, 297057797, 594115594, 1188231188, 5049982549, 10099965098, 20199930196]

約数ペア:

[(1, 20199930196), (2, 10099965098), (4, 5049982549), (17, 1188231188), (34, 594115594), (68, 297057797), (461, 43817636), (922, 21908818), (1844, 10954409), (7837, 2577508), (15674, 1288754), (31348, 644377)]