20463836

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{509}}^1$

素因数の和:578

約数の個数: 36

約数和(自身を含む): 39484200

約数和(自身を除く): 19020364

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 437, 509, 529, 874, 1018, 1058, 1748, 2036, 2116, 9671, 10051, 11707, 19342, 20102, 23414, 38684, 40204, 46828, 222433, 269261, 444866, 538522, 889732, 1077044, 5115959, 10231918, 20463836]

約数ペア:

[(1, 20463836), (2, 10231918), (4, 5115959), (19, 1077044), (23, 889732), (38, 538522), (46, 444866), (76, 269261), (92, 222433), (437, 46828), (509, 40204), (529, 38684), (874, 23414), (1018, 20102), (1058, 19342), (1748, 11707), (2036, 10051), (2116, 9671)]