20572516

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{15923}}^1$

素因数の和:15963

約数の個数: 24

約数和(自身を含む): 40128480

約数和(自身を除く): 19555964

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 15923, 31846, 63692, 270691, 302537, 541382, 605074, 1082764, 1210148, 5143129, 10286258, 20572516]

約数ペア:

[(1, 20572516), (2, 10286258), (4, 5143129), (17, 1210148), (19, 1082764), (34, 605074), (38, 541382), (68, 302537), (76, 270691), (323, 63692), (646, 31846), (1292, 15923)]