20814766

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4603}}^1$

素因数の和:4648

約数の個数: 32

約数和(自身を含む): 39778560

約数和(自身を除く): 18963794

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 119, 133, 238, 266, 323, 646, 2261, 4522, 4603, 9206, 32221, 64442, 78251, 87457, 156502, 174914, 547757, 612199, 1095514, 1224398, 1486769, 2973538, 10407383, 20814766]

約数ペア:

[(1, 20814766), (2, 10407383), (7, 2973538), (14, 1486769), (17, 1224398), (19, 1095514), (34, 612199), (38, 547757), (119, 174914), (133, 156502), (238, 87457), (266, 78251), (323, 64442), (646, 32221), (2261, 9206), (4522, 4603)]