20021648

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{73609}}^1$

素因数の和:73634

約数の個数: 20

約数和(自身を含む): 41074380

約数和(自身を除く): 21052732

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 73609, 147218, 294436, 588872, 1177744, 1251353, 2502706, 5005412, 10010824, 20021648]

約数ペア:

[(1, 20021648), (2, 10010824), (4, 5005412), (8, 2502706), (16, 1251353), (17, 1177744), (34, 588872), (68, 294436), (136, 147218), (272, 73609)]