16720435

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{859}}^1$

素因数の和:1110

約数の個数: 16

約数和(自身を含む): 21362400

約数和(自身を除く): 4641965

約数列:

[1, 5, 17, 85, 229, 859, 1145, 3893, 4295, 14603, 19465, 73015, 196711, 983555, 3344087, 16720435]

約数ペア:

[(1, 16720435), (5, 3344087), (17, 983555), (85, 196711), (229, 73015), (859, 19465), (1145, 14603), (3893, 4295)]