20663208

素因数分解:

$2^3\times 3^3\times {\mathrm{271}}^1\times {\mathrm{353}}^1$

素因数の和:639

約数の個数: 64

約数和(自身を含む): 57772800

約数和(自身を除く): 37109592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 271, 353, 542, 706, 813, 1059, 1084, 1412, 1626, 2118, 2168, 2439, 2824, 3177, 3252, 4236, 4878, 6354, 6504, 7317, 8472, 9531, 9756, 12708, 14634, 19062, 19512, 25416, 29268, 38124, 58536, 76248, 95663, 191326, 286989, 382652, 573978, 765304, 860967, 1147956, 1721934, 2295912, 2582901, 3443868, 5165802, 6887736, 10331604, 20663208]

約数ペア:

[(1, 20663208), (2, 10331604), (3, 6887736), (4, 5165802), (6, 3443868), (8, 2582901), (9, 2295912), (12, 1721934), (18, 1147956), (24, 860967), (27, 765304), (36, 573978), (54, 382652), (72, 286989), (108, 191326), (216, 95663), (271, 76248), (353, 58536), (542, 38124), (706, 29268), (813, 25416), (1059, 19512), (1084, 19062), (1412, 14634), (1626, 12708), (2118, 9756), (2168, 9531), (2439, 8472), (2824, 7317), (3177, 6504), (3252, 6354), (4236, 4878)]