20689941552

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{137143}}^1$

素因数の和:137610

約数の個数: 80

約数和(自身を含む): 61221081600

約数和(自身を除く): 40531140048

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 449, 898, 1347, 1796, 2694, 3143, 3592, 5388, 6286, 7184, 9429, 10776, 12572, 18858, 21552, 25144, 37716, 50288, 75432, 137143, 150864, 274286, 411429, 548572, 822858, 960001, 1097144, 1645716, 1920002, 2194288, 2880003, 3291432, 3840004, 5760006, 6582864, 7680008, 11520012, 15360016, 23040024, 46080048, 61577207, 123154414, 184731621, 246308828, 369463242, 431040449, 492617656, 738926484, 862080898, 985235312, 1293121347, 1477852968, 1724161796, 2586242694, 2955705936, 3448323592, 5172485388, 6896647184, 10344970776, 20689941552]

約数ペア:

[(1, 20689941552), (2, 10344970776), (3, 6896647184), (4, 5172485388), (6, 3448323592), (7, 2955705936), (8, 2586242694), (12, 1724161796), (14, 1477852968), (16, 1293121347), (21, 985235312), (24, 862080898), (28, 738926484), (42, 492617656), (48, 431040449), (56, 369463242), (84, 246308828), (112, 184731621), (168, 123154414), (336, 61577207), (449, 46080048), (898, 23040024), (1347, 15360016), (1796, 11520012), (2694, 7680008), (3143, 6582864), (3592, 5760006), (5388, 3840004), (6286, 3291432), (7184, 2880003), (9429, 2194288), (10776, 1920002), (12572, 1645716), (18858, 1097144), (21552, 960001), (25144, 822858), (37716, 548572), (50288, 411429), (75432, 274286), (137143, 150864)]