20948226

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{283}}^1$

素因数の和:387

約数の個数: 48

約数和(自身を含む): 46151136

約数和(自身を除く): 25202910

約数列:

[1, 2, 3, 6, 13, 26, 39, 73, 78, 146, 169, 219, 283, 338, 438, 507, 566, 849, 949, 1014, 1698, 1898, 2847, 3679, 5694, 7358, 11037, 12337, 20659, 22074, 24674, 37011, 41318, 47827, 61977, 74022, 95654, 123954, 143481, 268567, 286962, 537134, 805701, 1611402, 3491371, 6982742, 10474113, 20948226]

約数ペア:

[(1, 20948226), (2, 10474113), (3, 6982742), (6, 3491371), (13, 1611402), (26, 805701), (39, 537134), (73, 286962), (78, 268567), (146, 143481), (169, 123954), (219, 95654), (283, 74022), (338, 61977), (438, 47827), (507, 41318), (566, 37011), (849, 24674), (949, 22074), (1014, 20659), (1698, 12337), (1898, 11037), (2847, 7358), (3679, 5694)]