20601196

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{317}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 45303552

約数和(自身を除く): 24702356

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 211, 308, 317, 422, 634, 844, 1268, 1477, 2219, 2321, 2954, 3487, 4438, 4642, 5908, 6974, 8876, 9284, 13948, 16247, 24409, 32494, 48818, 64988, 66887, 97636, 133774, 267548, 468209, 735757, 936418, 1471514, 1872836, 2943028, 5150299, 10300598, 20601196]

約数ペア:

[(1, 20601196), (2, 10300598), (4, 5150299), (7, 2943028), (11, 1872836), (14, 1471514), (22, 936418), (28, 735757), (44, 468209), (77, 267548), (154, 133774), (211, 97636), (308, 66887), (317, 64988), (422, 48818), (634, 32494), (844, 24409), (1268, 16247), (1477, 13948), (2219, 9284), (2321, 8876), (2954, 6974), (3487, 5908), (4438, 4642)]