20077778

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{27059}}^1$

素因数の和:27121

約数の個数: 16

約数和(自身を含む): 35069760

約数和(自身を除く): 14991982

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 27059, 54118, 189413, 378826, 1434127, 2868254, 10038889, 20077778]

約数ペア:

[(1, 20077778), (2, 10038889), (7, 2868254), (14, 1434127), (53, 378826), (106, 189413), (371, 54118), (742, 27059)]