20152748

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1109}}^1$

素因数の和:1190

約数の個数: 48

約数和(自身を含む): 44755200

約数和(自身を除く): 24602452

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 59, 77, 118, 154, 236, 308, 413, 649, 826, 1109, 1298, 1652, 2218, 2596, 4436, 4543, 7763, 9086, 12199, 15526, 18172, 24398, 31052, 48796, 65431, 85393, 130862, 170786, 261724, 341572, 458017, 719741, 916034, 1439482, 1832068, 2878964, 5038187, 10076374, 20152748]

約数ペア:

[(1, 20152748), (2, 10076374), (4, 5038187), (7, 2878964), (11, 1832068), (14, 1439482), (22, 916034), (28, 719741), (44, 458017), (59, 341572), (77, 261724), (118, 170786), (154, 130862), (236, 85393), (308, 65431), (413, 48796), (649, 31052), (826, 24398), (1109, 18172), (1298, 15526), (1652, 12199), (2218, 9086), (2596, 7763), (4436, 4543)]