20449878

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1277}}^1$

素因数の和:1456

約数の個数: 32

約数和(自身を含む): 43615584

約数和(自身を除く): 23165706

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 157, 314, 471, 942, 1277, 2554, 2669, 3831, 5338, 7662, 8007, 16014, 21709, 43418, 65127, 130254, 200489, 400978, 601467, 1202934, 3408313, 6816626, 10224939, 20449878]

約数ペア:

[(1, 20449878), (2, 10224939), (3, 6816626), (6, 3408313), (17, 1202934), (34, 601467), (51, 400978), (102, 200489), (157, 130254), (314, 65127), (471, 43418), (942, 21709), (1277, 16014), (2554, 8007), (2669, 7662), (3831, 5338)]