20919864

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{17789}}^1$

素因数の和:17812

約数の個数: 48

約数和(自身を含む): 60841800

約数和(自身を除く): 39921936

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 392, 588, 1176, 17789, 35578, 53367, 71156, 106734, 124523, 142312, 213468, 249046, 373569, 426936, 498092, 747138, 871661, 996184, 1494276, 1743322, 2614983, 2988552, 3486644, 5229966, 6973288, 10459932, 20919864]

約数ペア:

[(1, 20919864), (2, 10459932), (3, 6973288), (4, 5229966), (6, 3486644), (7, 2988552), (8, 2614983), (12, 1743322), (14, 1494276), (21, 996184), (24, 871661), (28, 747138), (42, 498092), (49, 426936), (56, 373569), (84, 249046), (98, 213468), (147, 142312), (168, 124523), (196, 106734), (294, 71156), (392, 53367), (588, 35578), (1176, 17789)]