20946534

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 28819866

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 59, 79, 107, 118, 158, 177, 214, 237, 321, 354, 413, 474, 553, 642, 749, 826, 1106, 1239, 1498, 1659, 2247, 2478, 3318, 4494, 4661, 6313, 8453, 9322, 12626, 13983, 16906, 18939, 25359, 27966, 32627, 37878, 44191, 50718, 59171, 65254, 88382, 97881, 118342, 132573, 177513, 195762, 265146, 355026, 498727, 997454, 1496181, 2992362, 3491089, 6982178, 10473267, 20946534]

約数ペア:

[(1, 20946534), (2, 10473267), (3, 6982178), (6, 3491089), (7, 2992362), (14, 1496181), (21, 997454), (42, 498727), (59, 355026), (79, 265146), (107, 195762), (118, 177513), (158, 132573), (177, 118342), (214, 97881), (237, 88382), (321, 65254), (354, 59171), (413, 50718), (474, 44191), (553, 37878), (642, 32627), (749, 27966), (826, 25359), (1106, 18939), (1239, 16906), (1498, 13983), (1659, 12626), (2247, 9322), (2478, 8453), (3318, 6313), (4494, 4661)]