20953674

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{7919}}^1$

素因数の和:7944

約数の個数: 48

約数和(自身を含む): 54172800

約数和(自身を除く): 33219126

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 294, 378, 441, 882, 1323, 2646, 7919, 15838, 23757, 47514, 55433, 71271, 110866, 142542, 166299, 213813, 332598, 388031, 427626, 498897, 776062, 997794, 1164093, 1496691, 2328186, 2993382, 3492279, 6984558, 10476837, 20953674]

約数ペア:

[(1, 20953674), (2, 10476837), (3, 6984558), (6, 3492279), (7, 2993382), (9, 2328186), (14, 1496691), (18, 1164093), (21, 997794), (27, 776062), (42, 498897), (49, 427626), (54, 388031), (63, 332598), (98, 213813), (126, 166299), (147, 142542), (189, 110866), (294, 71271), (378, 55433), (441, 47514), (882, 23757), (1323, 15838), (2646, 7919)]