12820516

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{9923}}^1$

素因数の和:9963

約数の個数: 24

約数和(自身を含む): 25008480

約数和(自身を除く): 12187964

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 9923, 19846, 39692, 168691, 188537, 337382, 377074, 674764, 754148, 3205129, 6410258, 12820516]

約数ペア:

[(1, 12820516), (2, 6410258), (4, 3205129), (17, 754148), (19, 674764), (34, 377074), (38, 337382), (68, 188537), (76, 168691), (323, 39692), (646, 19846), (1292, 9923)]