20170928

素因数分解:

$2^4\times {\mathrm{167}}^1\times {\mathrm{7549}}^1$

素因数の和:7724

約数の個数: 20

約数和(自身を含む): 39320400

約数和(自身を除く): 19149472

約数列:

[1, 2, 4, 8, 16, 167, 334, 668, 1336, 2672, 7549, 15098, 30196, 60392, 120784, 1260683, 2521366, 5042732, 10085464, 20170928]

約数ペア:

[(1, 20170928), (2, 10085464), (4, 5042732), (8, 2521366), (16, 1260683), (167, 120784), (334, 60392), (668, 30196), (1336, 15098), (2672, 7549)]