20712546

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{853}}^1$

素因数の和:951

約数の個数: 48

約数和(自身を含む): 47960640

約数和(自身を除く): 27248094

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 71, 114, 142, 171, 213, 342, 426, 639, 853, 1278, 1349, 1706, 2559, 2698, 4047, 5118, 7677, 8094, 12141, 15354, 16207, 24282, 32414, 48621, 60563, 97242, 121126, 145863, 181689, 291726, 363378, 545067, 1090134, 1150697, 2301394, 3452091, 6904182, 10356273, 20712546]

約数ペア:

[(1, 20712546), (2, 10356273), (3, 6904182), (6, 3452091), (9, 2301394), (18, 1150697), (19, 1090134), (38, 545067), (57, 363378), (71, 291726), (114, 181689), (142, 145863), (171, 121126), (213, 97242), (342, 60563), (426, 48621), (639, 32414), (853, 24282), (1278, 16207), (1349, 15354), (1706, 12141), (2559, 8094), (2698, 7677), (4047, 5118)]