20300495

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{659}}^1$

素因数の和:826

約数の個数: 16

約数和(自身を含む): 25043040

約数和(自身を除く): 4742545

約数列:

[1, 5, 61, 101, 305, 505, 659, 3295, 6161, 30805, 40199, 66559, 200995, 332795, 4060099, 20300495]

約数ペア:

[(1, 20300495), (5, 4060099), (61, 332795), (101, 200995), (305, 66559), (505, 40199), (659, 30805), (3295, 6161)]