20035206

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:397

約数の個数: 48

約数和(自身を含む): 44916768

約数和(自身を除く): 24881562

約数列:

[1, 2, 3, 6, 9, 18, 61, 71, 122, 142, 183, 213, 257, 366, 426, 514, 549, 639, 771, 1098, 1278, 1542, 2313, 4331, 4626, 8662, 12993, 15677, 18247, 25986, 31354, 36494, 38979, 47031, 54741, 77958, 94062, 109482, 141093, 164223, 282186, 328446, 1113067, 2226134, 3339201, 6678402, 10017603, 20035206]

約数ペア:

[(1, 20035206), (2, 10017603), (3, 6678402), (6, 3339201), (9, 2226134), (18, 1113067), (61, 328446), (71, 282186), (122, 164223), (142, 141093), (183, 109482), (213, 94062), (257, 77958), (366, 54741), (426, 47031), (514, 38979), (549, 36494), (639, 31354), (771, 25986), (1098, 18247), (1278, 15677), (1542, 12993), (2313, 8662), (4331, 4626)]