20498114

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{67}}^1$

素因数の和:171

約数の個数: 48

約数和(自身を含む): 39367104

約数和(自身を除く): 18868990

約数列:

[1, 2, 7, 13, 14, 26, 41, 67, 82, 91, 134, 182, 287, 469, 533, 574, 871, 938, 1066, 1681, 1742, 2747, 3362, 3731, 5494, 6097, 7462, 11767, 12194, 19229, 21853, 23534, 35711, 38458, 43706, 71422, 112627, 152971, 225254, 249977, 305942, 499954, 788389, 1464151, 1576778, 2928302, 10249057, 20498114]

約数ペア:

[(1, 20498114), (2, 10249057), (7, 2928302), (13, 1576778), (14, 1464151), (26, 788389), (41, 499954), (67, 305942), (82, 249977), (91, 225254), (134, 152971), (182, 112627), (287, 71422), (469, 43706), (533, 38458), (574, 35711), (871, 23534), (938, 21853), (1066, 19229), (1681, 12194), (1742, 11767), (2747, 7462), (3362, 6097), (3731, 5494)]