20568870

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{10883}}^1$

素因数の和:10906

約数の個数: 64

約数和(自身を含む): 62691840

約数和(自身を除く): 42122970

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 10883, 21766, 32649, 54415, 65298, 76181, 97947, 108830, 152362, 163245, 195894, 228543, 293841, 326490, 380905, 457086, 489735, 587682, 685629, 761810, 979470, 1142715, 1371258, 1469205, 2056887, 2285430, 2938410, 3428145, 4113774, 6856290, 10284435, 20568870]

約数ペア:

[(1, 20568870), (2, 10284435), (3, 6856290), (5, 4113774), (6, 3428145), (7, 2938410), (9, 2285430), (10, 2056887), (14, 1469205), (15, 1371258), (18, 1142715), (21, 979470), (27, 761810), (30, 685629), (35, 587682), (42, 489735), (45, 457086), (54, 380905), (63, 326490), (70, 293841), (90, 228543), (105, 195894), (126, 163245), (135, 152362), (189, 108830), (210, 97947), (270, 76181), (315, 65298), (378, 54415), (630, 32649), (945, 21766), (1890, 10883)]