20738956

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{5569}}^1$

素因数の和:5606

約数の個数: 36

約数和(自身を含む): 44448600

約数和(自身を除く): 23709644

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 5569, 11138, 22276, 38983, 77966, 105811, 155932, 211622, 272881, 423244, 545762, 740677, 1091524, 1481354, 2962708, 5184739, 10369478, 20738956]

約数ペア:

[(1, 20738956), (2, 10369478), (4, 5184739), (7, 2962708), (14, 1481354), (19, 1091524), (28, 740677), (38, 545762), (49, 423244), (76, 272881), (98, 211622), (133, 155932), (196, 105811), (266, 77966), (532, 38983), (931, 22276), (1862, 11138), (3724, 5569)]