20629465

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{419}}^1$

素因数の和:696

約数の個数: 16

約数和(自身を含む): 25502400

約数和(自身を除く): 4872935

約数列:

[1, 5, 43, 215, 229, 419, 1145, 2095, 9847, 18017, 49235, 90085, 95951, 479755, 4125893, 20629465]

約数ペア:

[(1, 20629465), (5, 4125893), (43, 479755), (215, 95951), (229, 90085), (419, 49235), (1145, 18017), (2095, 9847)]