20100537

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 32497920

約数和(自身を除く): 12397383

約数列:

[1, 3, 9, 19, 41, 47, 57, 61, 123, 141, 171, 183, 369, 423, 549, 779, 893, 1159, 1927, 2337, 2501, 2679, 2867, 3477, 5781, 7011, 7503, 8037, 8601, 10431, 17343, 22509, 25803, 36613, 47519, 54473, 109839, 117547, 142557, 163419, 329517, 352641, 427671, 490257, 1057923, 2233393, 6700179, 20100537]

約数ペア:

[(1, 20100537), (3, 6700179), (9, 2233393), (19, 1057923), (41, 490257), (47, 427671), (57, 352641), (61, 329517), (123, 163419), (141, 142557), (171, 117547), (183, 109839), (369, 54473), (423, 47519), (549, 36613), (779, 25803), (893, 22509), (1159, 17343), (1927, 10431), (2337, 8601), (2501, 8037), (2679, 7503), (2867, 7011), (3477, 5781)]