20870028

素因数分解:

$2^2\times 3^3\times {\mathrm{173}}^1\times {\mathrm{1117}}^1$

素因数の和:1303

約数の個数: 48

約数和(自身を含む): 54468960

約数和(自身を除く): 33598932

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 173, 346, 519, 692, 1038, 1117, 1557, 2076, 2234, 3114, 3351, 4468, 4671, 6228, 6702, 9342, 10053, 13404, 18684, 20106, 30159, 40212, 60318, 120636, 193241, 386482, 579723, 772964, 1159446, 1739169, 2318892, 3478338, 5217507, 6956676, 10435014, 20870028]

約数ペア:

[(1, 20870028), (2, 10435014), (3, 6956676), (4, 5217507), (6, 3478338), (9, 2318892), (12, 1739169), (18, 1159446), (27, 772964), (36, 579723), (54, 386482), (108, 193241), (173, 120636), (346, 60318), (519, 40212), (692, 30159), (1038, 20106), (1117, 18684), (1557, 13404), (2076, 10053), (2234, 9342), (3114, 6702), (3351, 6228), (4468, 4671)]