20484676

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{73}}^2$

素因数の和:212

約数の個数: 27

約数和(自身を含む): 37556253

約数和(自身を除く): 17071577

約数列:

[1, 2, 4, 31, 62, 73, 124, 146, 292, 961, 1922, 2263, 3844, 4526, 5329, 9052, 10658, 21316, 70153, 140306, 165199, 280612, 330398, 660796, 5121169, 10242338, 20484676]

約数ペア:

[(1, 20484676), (2, 10242338), (4, 5121169), (31, 660796), (62, 330398), (73, 280612), (124, 165199), (146, 140306), (292, 70153), (961, 21316), (1922, 10658), (2263, 9052), (3844, 5329)]