20805836

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{8831}}^1$

素因数の和:8885

約数の個数: 24

約数和(自身を含む): 39567360

約数和(自身を除く): 18761524

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 589, 1178, 2356, 8831, 17662, 35324, 167789, 273761, 335578, 547522, 671156, 1095044, 5201459, 10402918, 20805836]

約数ペア:

[(1, 20805836), (2, 10402918), (4, 5201459), (19, 1095044), (31, 671156), (38, 547522), (62, 335578), (76, 273761), (124, 167789), (589, 35324), (1178, 17662), (2356, 8831)]