20723792616

素因数分解:

$2^3\times 3^2\times {\mathrm{163}}^1\times {\mathrm{1765831}}^1$

素因数の和:1766006

約数の個数: 48

約数和(自身を含む): 56471307360

約数和(自身を除く): 35747514744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 163, 326, 489, 652, 978, 1304, 1467, 1956, 2934, 3912, 5868, 11736, 1765831, 3531662, 5297493, 7063324, 10594986, 14126648, 15892479, 21189972, 31784958, 42379944, 63569916, 127139832, 287830453, 575660906, 863491359, 1151321812, 1726982718, 2302643624, 2590474077, 3453965436, 5180948154, 6907930872, 10361896308, 20723792616]

約数ペア:

[(1, 20723792616), (2, 10361896308), (3, 6907930872), (4, 5180948154), (6, 3453965436), (8, 2590474077), (9, 2302643624), (12, 1726982718), (18, 1151321812), (24, 863491359), (36, 575660906), (72, 287830453), (163, 127139832), (326, 63569916), (489, 42379944), (652, 31784958), (978, 21189972), (1304, 15892479), (1467, 14126648), (1956, 10594986), (2934, 7063324), (3912, 5297493), (5868, 3531662), (11736, 1765831)]