20397368

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{659}}^1$

素因数の和:791

約数の個数: 32

約数和(自身を含む): 39560400

約数和(自身を除く): 19163032

約数列:

[1, 2, 4, 8, 53, 73, 106, 146, 212, 292, 424, 584, 659, 1318, 2636, 3869, 5272, 7738, 15476, 30952, 34927, 48107, 69854, 96214, 139708, 192428, 279416, 384856, 2549671, 5099342, 10198684, 20397368]

約数ペア:

[(1, 20397368), (2, 10198684), (4, 5099342), (8, 2549671), (53, 384856), (73, 279416), (106, 192428), (146, 139708), (212, 96214), (292, 69854), (424, 48107), (584, 34927), (659, 30952), (1318, 15476), (2636, 7738), (3869, 5272)]