20876172

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{251}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 50803200

約数和(自身を除く): 29927028

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 174, 239, 251, 348, 478, 502, 717, 753, 956, 1004, 1434, 1506, 2868, 3012, 6931, 7279, 13862, 14558, 20793, 21837, 27724, 29116, 41586, 43674, 59989, 83172, 87348, 119978, 179967, 239956, 359934, 719868, 1739681, 3479362, 5219043, 6958724, 10438086, 20876172]

約数ペア:

[(1, 20876172), (2, 10438086), (3, 6958724), (4, 5219043), (6, 3479362), (12, 1739681), (29, 719868), (58, 359934), (87, 239956), (116, 179967), (174, 119978), (239, 87348), (251, 83172), (348, 59989), (478, 43674), (502, 41586), (717, 29116), (753, 27724), (956, 21837), (1004, 20793), (1434, 14558), (1506, 13862), (2868, 7279), (3012, 6931)]