20151344

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:393

約数の個数: 40

約数和(自身を含む): 40378368

約数和(自身を除く): 20227024

約数列:

[1, 2, 4, 8, 16, 47, 94, 127, 188, 211, 254, 376, 422, 508, 752, 844, 1016, 1688, 2032, 3376, 5969, 9917, 11938, 19834, 23876, 26797, 39668, 47752, 53594, 79336, 95504, 107188, 158672, 214376, 428752, 1259459, 2518918, 5037836, 10075672, 20151344]

約数ペア:

[(1, 20151344), (2, 10075672), (4, 5037836), (8, 2518918), (16, 1259459), (47, 428752), (94, 214376), (127, 158672), (188, 107188), (211, 95504), (254, 79336), (376, 53594), (422, 47752), (508, 39668), (752, 26797), (844, 23876), (1016, 19834), (1688, 11938), (2032, 9917), (3376, 5969)]