20873286

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8719}}^1$

素因数の和:8753

約数の個数: 48

約数和(自身を含む): 54412800

約数和(自身を除く): 33539514

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 342, 399, 798, 1197, 2394, 8719, 17438, 26157, 52314, 61033, 78471, 122066, 156942, 165661, 183099, 331322, 366198, 496983, 549297, 993966, 1098594, 1159627, 1490949, 2319254, 2981898, 3478881, 6957762, 10436643, 20873286]

約数ペア:

[(1, 20873286), (2, 10436643), (3, 6957762), (6, 3478881), (7, 2981898), (9, 2319254), (14, 1490949), (18, 1159627), (19, 1098594), (21, 993966), (38, 549297), (42, 496983), (57, 366198), (63, 331322), (114, 183099), (126, 165661), (133, 156942), (171, 122066), (266, 78471), (342, 61033), (399, 52314), (798, 26157), (1197, 17438), (2394, 8719)]