20923704

素因数分解:

$2^3\times 3^3\times {\mathrm{157}}^1\times {\mathrm{617}}^1$

素因数の和:789

約数の個数: 64

約数和(自身を含む): 58586400

約数和(自身を除く): 37662696

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 157, 216, 314, 471, 617, 628, 942, 1234, 1256, 1413, 1851, 1884, 2468, 2826, 3702, 3768, 4239, 4936, 5553, 5652, 7404, 8478, 11106, 11304, 14808, 16659, 16956, 22212, 33318, 33912, 44424, 66636, 96869, 133272, 193738, 290607, 387476, 581214, 774952, 871821, 1162428, 1743642, 2324856, 2615463, 3487284, 5230926, 6974568, 10461852, 20923704]

約数ペア:

[(1, 20923704), (2, 10461852), (3, 6974568), (4, 5230926), (6, 3487284), (8, 2615463), (9, 2324856), (12, 1743642), (18, 1162428), (24, 871821), (27, 774952), (36, 581214), (54, 387476), (72, 290607), (108, 193738), (157, 133272), (216, 96869), (314, 66636), (471, 44424), (617, 33912), (628, 33318), (942, 22212), (1234, 16956), (1256, 16659), (1413, 14808), (1851, 11304), (1884, 11106), (2468, 8478), (2826, 7404), (3702, 5652), (3768, 5553), (4239, 4936)]