20883402

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{691}}^1$

素因数の和:795

約数の個数: 48

約数和(自身を含む): 47930688

約数和(自身を除く): 27047286

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 73, 138, 146, 207, 219, 414, 438, 657, 691, 1314, 1382, 1679, 2073, 3358, 4146, 5037, 6219, 10074, 12438, 15111, 15893, 30222, 31786, 47679, 50443, 95358, 100886, 143037, 151329, 286074, 302658, 453987, 907974, 1160189, 2320378, 3480567, 6961134, 10441701, 20883402]

約数ペア:

[(1, 20883402), (2, 10441701), (3, 6961134), (6, 3480567), (9, 2320378), (18, 1160189), (23, 907974), (46, 453987), (69, 302658), (73, 286074), (138, 151329), (146, 143037), (207, 100886), (219, 95358), (414, 50443), (438, 47679), (657, 31786), (691, 30222), (1314, 15893), (1382, 15111), (1679, 12438), (2073, 10074), (3358, 6219), (4146, 5037)]