20812128

素因数分解:

$2^5\times 3^1\times {\mathrm{431}}^1\times {\mathrm{503}}^1$

素因数の和:947

約数の個数: 48

約数和(自身を含む): 54867456

約数和(自身を除く): 34055328

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 431, 503, 862, 1006, 1293, 1509, 1724, 2012, 2586, 3018, 3448, 4024, 5172, 6036, 6896, 8048, 10344, 12072, 13792, 16096, 20688, 24144, 41376, 48288, 216793, 433586, 650379, 867172, 1300758, 1734344, 2601516, 3468688, 5203032, 6937376, 10406064, 20812128]

約数ペア:

[(1, 20812128), (2, 10406064), (3, 6937376), (4, 5203032), (6, 3468688), (8, 2601516), (12, 1734344), (16, 1300758), (24, 867172), (32, 650379), (48, 433586), (96, 216793), (431, 48288), (503, 41376), (862, 24144), (1006, 20688), (1293, 16096), (1509, 13792), (1724, 12072), (2012, 10344), (2586, 8048), (3018, 6896), (3448, 6036), (4024, 5172)]