20553888

素因数分解:

$2^5\times 3^1\times {\mathrm{251}}^1\times {\mathrm{853}}^1$

素因数の和:1117

約数の個数: 48

約数和(自身を含む): 54232416

約数和(自身を除く): 33678528

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 251, 502, 753, 853, 1004, 1506, 1706, 2008, 2559, 3012, 3412, 4016, 5118, 6024, 6824, 8032, 10236, 12048, 13648, 20472, 24096, 27296, 40944, 81888, 214103, 428206, 642309, 856412, 1284618, 1712824, 2569236, 3425648, 5138472, 6851296, 10276944, 20553888]

約数ペア:

[(1, 20553888), (2, 10276944), (3, 6851296), (4, 5138472), (6, 3425648), (8, 2569236), (12, 1712824), (16, 1284618), (24, 856412), (32, 642309), (48, 428206), (96, 214103), (251, 81888), (502, 40944), (753, 27296), (853, 24096), (1004, 20472), (1506, 13648), (1706, 12048), (2008, 10236), (2559, 8032), (3012, 6824), (3412, 6024), (4016, 5118)]