20842052

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{1381}}^1$

素因数の和:1417

約数の個数: 48

約数和(自身を含む): 46435200

約数和(自身を除く): 25593148

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 343, 539, 686, 1078, 1372, 1381, 2156, 2762, 3773, 5524, 7546, 9667, 15092, 15191, 19334, 30382, 38668, 60764, 67669, 106337, 135338, 212674, 270676, 425348, 473683, 744359, 947366, 1488718, 1894732, 2977436, 5210513, 10421026, 20842052]

約数ペア:

[(1, 20842052), (2, 10421026), (4, 5210513), (7, 2977436), (11, 1894732), (14, 1488718), (22, 947366), (28, 744359), (44, 473683), (49, 425348), (77, 270676), (98, 212674), (154, 135338), (196, 106337), (308, 67669), (343, 60764), (539, 38668), (686, 30382), (1078, 19334), (1372, 15191), (1381, 15092), (2156, 9667), (2762, 7546), (3773, 5524)]