20531376

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{8387}}^1$

素因数の和:8418

約数の個数: 60

約数和(自身を含む): 60846552

約数和(自身を除く): 40315176

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 102, 136, 144, 153, 204, 272, 306, 408, 612, 816, 1224, 2448, 8387, 16774, 25161, 33548, 50322, 67096, 75483, 100644, 134192, 142579, 150966, 201288, 285158, 301932, 402576, 427737, 570316, 603864, 855474, 1140632, 1207728, 1283211, 1710948, 2281264, 2566422, 3421896, 5132844, 6843792, 10265688, 20531376]

約数ペア:

[(1, 20531376), (2, 10265688), (3, 6843792), (4, 5132844), (6, 3421896), (8, 2566422), (9, 2281264), (12, 1710948), (16, 1283211), (17, 1207728), (18, 1140632), (24, 855474), (34, 603864), (36, 570316), (48, 427737), (51, 402576), (68, 301932), (72, 285158), (102, 201288), (136, 150966), (144, 142579), (153, 134192), (204, 100644), (272, 75483), (306, 67096), (408, 50322), (612, 33548), (816, 25161), (1224, 16774), (2448, 8387)]