20489532

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{691}}^1$

素因数の和:1058

約数の個数: 48

約数和(自身を含む): 54872832

約数和(自身を除く): 34383300

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 353, 691, 706, 1059, 1382, 1412, 2073, 2118, 2471, 2764, 4146, 4236, 4837, 4942, 7413, 8292, 9674, 9884, 14511, 14826, 19348, 29022, 29652, 58044, 243923, 487846, 731769, 975692, 1463538, 1707461, 2927076, 3414922, 5122383, 6829844, 10244766, 20489532]

約数ペア:

[(1, 20489532), (2, 10244766), (3, 6829844), (4, 5122383), (6, 3414922), (7, 2927076), (12, 1707461), (14, 1463538), (21, 975692), (28, 731769), (42, 487846), (84, 243923), (353, 58044), (691, 29652), (706, 29022), (1059, 19348), (1382, 14826), (1412, 14511), (2073, 9884), (2118, 9674), (2471, 8292), (2764, 7413), (4146, 4942), (4236, 4837)]