20628846

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1621}}^1$

素因数の和:1737

約数の個数: 48

約数和(自身を含む): 51618528

約数和(自身を除く): 30989682

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 101, 126, 202, 303, 606, 707, 909, 1414, 1621, 1818, 2121, 3242, 4242, 4863, 6363, 9726, 11347, 12726, 14589, 22694, 29178, 34041, 68082, 102123, 163721, 204246, 327442, 491163, 982326, 1146047, 1473489, 2292094, 2946978, 3438141, 6876282, 10314423, 20628846]

約数ペア:

[(1, 20628846), (2, 10314423), (3, 6876282), (6, 3438141), (7, 2946978), (9, 2292094), (14, 1473489), (18, 1146047), (21, 982326), (42, 491163), (63, 327442), (101, 204246), (126, 163721), (202, 102123), (303, 68082), (606, 34041), (707, 29178), (909, 22694), (1414, 14589), (1621, 12726), (1818, 11347), (2121, 9726), (3242, 6363), (4242, 4863)]