20573169

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{2753}}^1$

素因数の和:2856

約数の個数: 16

約数和(自身を含む): 28553472

約数和(自身を除く): 7980303

約数列:

[1, 3, 47, 53, 141, 159, 2491, 2753, 7473, 8259, 129391, 145909, 388173, 437727, 6857723, 20573169]

約数ペア:

[(1, 20573169), (3, 6857723), (47, 437727), (53, 388173), (141, 145909), (159, 129391), (2491, 8259), (2753, 7473)]