20757044

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3547}}^1$

素因数の和:3588

約数の個数: 48

約数和(自身を含む): 47685120

約数和(自身を除く): 26928076

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 308, 418, 532, 836, 1463, 2926, 3547, 5852, 7094, 14188, 24829, 39017, 49658, 67393, 78034, 99316, 134786, 156068, 269572, 273119, 471751, 546238, 741323, 943502, 1092476, 1482646, 1887004, 2965292, 5189261, 10378522, 20757044]

約数ペア:

[(1, 20757044), (2, 10378522), (4, 5189261), (7, 2965292), (11, 1887004), (14, 1482646), (19, 1092476), (22, 943502), (28, 741323), (38, 546238), (44, 471751), (76, 273119), (77, 269572), (133, 156068), (154, 134786), (209, 99316), (266, 78034), (308, 67393), (418, 49658), (532, 39017), (836, 24829), (1463, 14188), (2926, 7094), (3547, 5852)]