20605194

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{701}}^1$

素因数の和:803

約数の個数: 48

約数和(自身を含む): 47309184

約数和(自身を除く): 26703990

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 71, 138, 142, 207, 213, 414, 426, 639, 701, 1278, 1402, 1633, 2103, 3266, 4206, 4899, 6309, 9798, 12618, 14697, 16123, 29394, 32246, 48369, 49771, 96738, 99542, 145107, 149313, 290214, 298626, 447939, 895878, 1144733, 2289466, 3434199, 6868398, 10302597, 20605194]

約数ペア:

[(1, 20605194), (2, 10302597), (3, 6868398), (6, 3434199), (9, 2289466), (18, 1144733), (23, 895878), (46, 447939), (69, 298626), (71, 290214), (138, 149313), (142, 145107), (207, 99542), (213, 96738), (414, 49771), (426, 48369), (639, 32246), (701, 29394), (1278, 16123), (1402, 14697), (1633, 12618), (2103, 9798), (3266, 6309), (4206, 4899)]