20505674

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{607}}^1$

素因数の和:762

約数の個数: 32

約数和(自身を含む): 37355520

約数和(自身を除く): 16849846

約数列:

[1, 2, 7, 14, 19, 38, 127, 133, 254, 266, 607, 889, 1214, 1778, 2413, 4249, 4826, 8498, 11533, 16891, 23066, 33782, 77089, 80731, 154178, 161462, 539623, 1079246, 1464691, 2929382, 10252837, 20505674]

約数ペア:

[(1, 20505674), (2, 10252837), (7, 2929382), (14, 1464691), (19, 1079246), (38, 539623), (127, 161462), (133, 154178), (254, 80731), (266, 77089), (607, 33782), (889, 23066), (1214, 16891), (1778, 11533), (2413, 8498), (4249, 4826)]