20921538

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{5981}}^1$

素因数の和:6050

約数の個数: 32

約数和(自身を含む): 46516032

約数和(自身を除く): 25594494

約数列:

[1, 2, 3, 6, 11, 22, 33, 53, 66, 106, 159, 318, 583, 1166, 1749, 3498, 5981, 11962, 17943, 35886, 65791, 131582, 197373, 316993, 394746, 633986, 950979, 1901958, 3486923, 6973846, 10460769, 20921538]

約数ペア:

[(1, 20921538), (2, 10460769), (3, 6973846), (6, 3486923), (11, 1901958), (22, 950979), (33, 633986), (53, 394746), (66, 316993), (106, 197373), (159, 131582), (318, 65791), (583, 35886), (1166, 17943), (1749, 11962), (3498, 5981)]